If the selection of Mitt Romney's running mate were left up to Republican voters, right now the choice would be a tossup between Rick Santorum and Marco Rubio—but not by much.
A Reuters/Ipsos poll released Thursday night showed that Santorum led the pack in a list of 19 running mates, with 18 percent of Republican voters choosing him just slightly over Rubio, who received the support of 17 percent. Behind them, 13 percent liked New Jersey Gov. Chris Christie; the same number preferred former Florida Gov. Jeb Bush. The margin of error was plus or minus 4.7 percentage points.
With several months left before Romney will probably announce his running mate, polls like this are unlikely to influence the decision-making process.
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