Republican Mitt Romney has expanded his lead in Gallup's daily tracking poll to 7 points among likely voters, an increase of a point from Saturday. The 52 percent to 45 percent lead matches Romney's largest of the campaign.
Other recent polls, including a Wall Street Journal/NBC poll released Sunday, have shown a dead heat between Romney and President Barack Obama.
But Gallup continues to trend more in Romney's direction. Romney also expanded his lead to 3 points among registered voters.
On Saturday, Romney held a 6-point advantage among likely voters and a 2-point advantage among registered voters.
Today's results include polling from last Sunday through yesterday. That means that four days of post-debate polling are factored into the rolling average.
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