Obama leads in polls as Romney campaign fights back with new ad

Updated
 

President Obama is opening up a lead in the key swing states. Chris asks David Corn and Cynthia Tucker what’s behind the President’s rise – and Mitt Romney’s struggles.

Watch Hardball at 7 p.m. ET.

Mitt Romney, Barack Obama and Hardball Highlight

Obama leads in polls as Romney campaign fights back with new ad

Updated