Santorum: No Decision Yet On White House Run

The runner-up to Mitt Romney for the Republican nomination in 2012 is weighing a second campaign.

Former U.S. Sen. Rick Santorum (R-PA) speaks during the final day of the 2014 Republican Leadership Conference on May 31, 2014 in New Orleans, Louisiana. Leaders of the Republican Party spoke at the 2014 Republican Leadership Conference which hosted 1,500 delegates from across the country.

Photo by Justin Sullivan/Getty Images

Rick Santorum is doing the kinds of things that presidential candidates do two years before an election, like campaigning for candidates, talking to prospective supporters and sitting for media interviews.

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