A new Rasmussen Reports survey in Pennsylvania finds Sen. Hillary Clinton has opened a 15 point lead over Sen. Barack Obama, 52% to 37%. Less than two weeks ago, Clinton's lead was just 4 points.Key finding:"The big difference between that poll and the current result is found among men. Clinton now leads by seventeen percentage points among women and eleven among men. In the previous survey, she was ahead by fifteen points among women but trails by fourteen among men."
