Bill Barr was responsible for these pardons. He asked President George H. W. Bush to pardon them. These things still bother people because it goes against the grain of the Rule of Law. No one in this country is supposed to be above the law. Regardless of our economic station in life, the law is supposed to be blind and equitable. People don't like this level of corruption.
Doppelt, Jack. "NO LONGER NEWS: The Trial of the Century That Wasn't."
ABA Journal 79, no. 1 (1993): 56-59. http://www.jstor.org/stable/27832773.
The citation above is from a law journal that describes Barr's actions regarding these pardons and why Iran-Contra never made it to trial.
I think Barr seeks to be slick. He chronically complains there is no reason to believe any charges that would be brought are "beyond a reasonable doubt." He has a very poor way of finding ANY success in prosecution and in the case of the Iran-Contra Affair, he simply moved to have the defendants pardoned.
I think his career credibility is very poor.
December 24, 2018
By Andrew Glass
With his term soon to expire, (click here) on this day in 1992, President George H.W. Bush pardoned Caspar Weinberger, the former secretary of Defense, and five others, absolving them from any further punishment for their illegal dealings in the Reagan-era Iran-Contra scandal.
During President Ronald Reagan’s second term, senior administration officials secretly facilitated the sale of arms to Iran, which was under an arms embargo. The administration sought to use the proceeds of the arms sale to fund the Contras in Nicaragua, an insurgent group engaged in a guerrilla war against the anti-American regime. Congress had precluded any further funding of the Contras by the administration....