For 10 points, identify this position held by Adlai E. Stevenson, and Rod Blagojevich.
A tract on prison reform called Our Penal Machinery and Its Victims was written by one person to hold this office, and another man chose Alabama Congressman John Sparkman as his running mate during a Presidential run. The former man pardoned Fielden, Neebe, and Schwab, who were convicted of conspiracy in the Haymarket Square incident. This post was once held by JFK's Ambassador to the UN, and that man had earlier lost the 1952 and 1956 Presidential races to Eisenhower. A recent figure to hold this post was charged with attempting to sell off a position now held by Roland Burris.  For 10 points, identify this position held by Adlai E. Stevenson, and Rod Blagojevich.
A tract on prison reform called Our Penal Machinery and Its Victims was written by one person to hold this office, and another man chose Alabama Congressman John Sparkman as his running mate during a Presidential run.
{Governor} of {Illinois} [Prompt on partial answers]