Click here to access article by Paul Craig Roberts from his website. (I thank Christopher in northwest Oregon for sending me this article.)
I think such a question (in the headline) is the wrong one. It leads one down the wrong path that will lead to nowhere. I doubt that Roberts does this deliberately. He has been so well indoctrinated in capitalist ethics that he simply can't see that once you espouse a system that puts rich individuals at the center of it, that puts individuals who "own" substantial parts of the economy at the center of a social system, that totally organizes all parts of the social system that is usually called patriotically the "American Way of Life" or more benignly, "Western Civilization", then you will have what he now sees as widespread "corruption". I will argue that once you have such a system, you will almost automatically and eventually have widespread "corruption".
At this point we need to define what "corruption" really is. I think we can agree that it reveals itself when behavior, particularly despicable behavior, is at wide variance with the theory of how the system is supposed to function, that is, behavior does not conform to the rules that supposedly govern a society.
You can find these rules nearly everywhere: most prominently in history textbooks, in the way corporate media frame news events, in the way politicians expound about the glorious "American Way of Life", in some laws passed by governments, particularly in the official founding documents of a nation, etc. All of these rules are described as representing "democracy": the rule of the people by representation, that is, people choose others to represent them in congresses or parliaments and executive branches of government.
However, laced throughout these rules are another set of rules that sanctify the private ownership of property. Here, I'm not talking about personal property, but property of economic value that has been created by people as a result of their work and their imagination. This property is in essence social property because it is property that has been the result of efforts by more than one person: by the efforts of present living members of society and previous generations of humans throughout the roughly 200,000 years of human existence.
I'm referring to the set of rules of a social-economic system called capitalism which is a system that has turned nearly everything into a commodity to be bought and sold. You won't find the word "capitalism" often used because the supporters of capitalism prefer other more nice sounding or obscure words such as "free markets", "Wall Street", and even more imaginatively, "democracy". This set of rules which virtually sanctified the "ownership" of social property by individuals resulted over time in a class of people, called capitalists, who were able to accumulate considerable social property which they could essentially use and dispose of as one would personal property. And they as a class soon discovered many other advantages.
Another class of people simultaneously arose under the operation of this system called workers. These people were essentially rented by capitalists to produce value for them. Within this very large group of workers there evolved sub-classes that are nowadays roughly referred to as professionals, highly skilled, and unskilled workers. Probably a more meaningful way to divide these rented workers is between two categories: salaried and hourly workers. Salaried workers function much more independently than hourly workers who tend to be carefully supervised and must function according to well-defined rules. Among other advantages capitalists have found that dividing up workers this way serves to divide workers which are natural antagonists of capitalists. Also, by giving salaried workers more perks serves to identify these workers with their capitalist masters, their values, and their behaviors.
Actually a third class of worker arose in the history of capitalism, and they were called "slaves". They were also treated as private property to be used as the "owners" saw fit to accumulate wealth. However, this practice was largely abandoned (though it still exists) primarily because owners regarded the renting of workers much more practical and efficient to accumulate wealth. (Think of renting tools when you need them versus owning a large inventory of tools that you have to store and maintain.)
Capitalists noticed over time as they accumulated economic property and employed large numbers of workers that they had much more influence over decisions of government, over the selection of governors, and over every institution of societies including most especially education and media. Naturally they installed people in every institution that promoted their interests in relation to the accumulation of social property. It almost naturally followed that they began to see the ownership of property brought them not only fabulous wealth, but even more importantly, POWER. (Power is, of course, the ability to have others behave the way you want them to.)
Thus, the accumulation of wealth was no longer an object by itself, instead the accumulation of power became the prime driving force behind all of capitalist endeavors. The history of capitalism became the history of wars because different national capitalists would compete for power until one faction ruled over the whole world. This is essentially where we are today with the existence of the US-led (capitalist) Empire trying to eliminate every last competing power such as posed by Russia and China.
There are many directions one could go with this analysis of capitalism, but I will only take one road which many are bothered by--the current media issue of today: sexual harassment. Have you noticed that largely only one class of people have been affected by this: high profile salaried workers? You won't find any major capitalists like Donald Trump being fired from his job over accusations of sexual harassment. Many salaried workers, who often identify with their capitalist bosses, have learned the lessons about sexual behavior from their bosses who routinely take advantage of their powerful positions vis-à-vis their subordinate workers (of either sex).
I strongly suspect that the capitalist ruling class's current media focus on sexual predations of high profile salaried workers, like their focus on Russiagate and in the recent past on gender-neutral bathrooms, serves to distract people from any coverage about the Empire's war crimes that they are committing in many places of the world and other embarrassing issues such as the decline of living conditions of American workers.