Republican presidential candidate and TV personality Donald Trump arrives by escalator to the tune of "Rockin' in the Free World." Musician Neil Young did not approve of his song choice.
Brendan McDermid /Reuters/Landov
It's been 35 years since Ronald Reagan announced his run for president. He did so just two months before the Iowa caucuses, unlike the protracted campaigning that takes place today.
Rep. Paul Ryan, the GOP vice presidential nominee, became a speech writer for the conservative Republican politician Jack Kemp after graduating from college in 1992.
J. Scott Applewhite/AP