PRINCETON, NJ -- Mitt Romney's standing in the presidential election campaign has not changed materially in the immediate days after his announcement of Wisconsin Rep. Paul Ryan as his vice-presidential running mate. The first four days of Gallup Daily tracking after Romney's announcement show 47% of registered voters saying they would vote for Romney and 45% for Barack Obama if the election were held today. The four days prior showed Romney at 46% and Obama at 45%.
Source: Gallup. Read full article. (link)