Romney Names His Presidential Running Mate

Republican presidential candidate Mitt Romney has selected Wisconsin Rep. Paul Ryan to be his running mate.

The candidate made his announcement to supporters via a phone app, saying "Mitt's Choice for VP is Paul Ryan." The GOP ticket was set to appear together at 9 am Eastern in Norfolk, VA.

Romney and Ryan are kicking off a four-day bus tour.

At 43, Ryan is a generation younger than the 65-year-old Romney.