Texas Gov. Rick Perry speaks to local party activists on July 19, in Algona, Iowa. Though his 2012 presidential bid crashed, Perry is now drawing mention as a 2016 contender.
Howard Baker, then a Republican senator from Tennessee and vice chairman of the Senate Watergate investigating committee, questions witness James McCord during a hearing on May 18, 1973.
Gov. Rick Perry gives a speech during the Texas GOP Convention in Fort Worth on Thursday. In his address, the longest-serving governor in the state's history focused more on the future and national issues than his political legacy at home.
Rex C. Curry/AP