New Jersey Gov. Chris Christie will announce his run for president on June 30 at Livingston High School in New Jersey, according to a GOP source familiar with his plans. Find out who else is running and who some of the other possible candidates are.
Rick Santorum, the former Pennsylvania senator who mounted an unexpectedly strong bid for the Republican nomination in 2012, is making another bid for the White House. Santorum formally launched his campaign May 27 in Pennsylvania.