NORFOLK, Va. – Republican presidential candidate Mitt Romney has selected Paul Ryan, a U.S. congressman from Wisconsin, as his vice-presidential running mate.
   
The candidate made his announcement to supporters via a phone app, saying – quote – “Mitt’s Choice for VP is Paul Ryan.”
   
The pair were set to appear together at 9 a.m. local time in Norfolk, Virginia.
   
Romney and Ryan are kicking off a four-day bus tour that will take them to as many states.
   
At 42, Ryan is a generation younger than the 65-year-old Romney.