Chattanooga's Bob Corker is #1 in the USA Today Power Rankings for Donald Trump's choice for vice president.
He is ahead of former Georgia Congressman Newt Gingrich, Iowa Sen. Joni Ernst and former presidential candidate John Kasich.
The former Chattanooga mayor who has become a leader on U.S. foreign policy, recently met Mr. Trump for the first time when he made a visit to Trump Tower.
There have been several recent phone calls between the two.