Quinnipac: Obama leads by 9 points

"With commanding leads among women and young voters and near unanimous support from black voters, Illinois Sen. Barack Obama has a 50 - 41 percent lead over Arizona Sen. John McCain, according to a Quinnipiac University national poll of likely voters released today."

The economy is the single most important issue in their vote, 53 percent of American voters say, followed by 16 percent who list the war in Iraq and 11 percent who list health care.

Obama leads McCain 53 - 39 percent among those who list the economy, 65 - 27 percent among those who cite the war and 67 - 27 percent among those worried about health care.