On June 17, Obama held a slight edge over Mitt Romney among Catholics (49-47 percent), according to the Pew Research Center. Since then, Obama has surged ahead, and now leads 54-39 percent, according to a Pew poll conducted on Sept. 16.

Among all registered voters, Obama leads Romney 51-42 percent, according to Pew.

Then CBS notes that among seniors, a month ago Obama was behind Romney by 13 points. Today Obama is up by 4. Wow. That’s a swing of 17 points in one month