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Mitt Romney garnered virtually no increase in support in the initial days after announcing Wisconsin Rep. Paul Ryan as his running mate, according to the latest numbers from Gallup.
In the four days leading up to the announcement, the presumptive Republican presidential nominee had the support of about 46 percent of the registered voters. Over the following four days, that figure crept up only one tick to 47 percent. Obama, meanwhile, held steady at 45 percent in the Gallup polling.
In years past, presidential candidates have received more significant bumps after announcing their running mates: Al Gore lept up by 5 points in 2000, and Bob Dole by 9 in 1996, for instance. That trend didn't hold in the last election cycle, however, with John McCain gaining a more modest two-point bump immediately after naming Sarah Palin as his running mate and Barack Obama actually seeing his support drop by 2 points after Joe Biden joined the Dem ticket
It’s possible that Romney may still see a delayed bump from the announcement, but the current response to Ryan’s addition to the ticket is overall pretty tepid, CBS News notes. Just 39 percent of Americans described the Wisconsin congressman as an "excellent" or "pretty good" choice, compared with 46 percent who said the same of Palin in 2008.