INDIANAPOLIS — Former U.S. Rep. Lee Hamilton, a crewcut-wearing Indiana Democrat from southern Indiana who was a leading foreign affairs voice during three decades in Congress and helped oversee investigations of the Sept. 11 attacks, died Tuesday. He was 94. Hamilton, a moderate lawmaker respected by Democrats and Republicans alike who also led a congressional probe of the Reagan administration’s Iran-Contra affair, died Tuesday peacefully in his Bloomington, Indiana, home, said his son Doug