Four presidential election poll numbers show President Barack Obama with a minor lead over Republican challenger Mitt Romney, with most polls showing a three-point advantage.
49: Percent for Obama, according to Democracy Corps, a Democratic pollster. Romney had 46 percent.
48: Percent approval rating for Obama, considered an important indicator of an incumbent's possibility for re-election. The same poll showed 48 percent disapproved.
47: Percent for Obama to 44 percent for Romney, according to Newsweek/Daily Beast poll.
51: Percent viewed Obama favorably vs. 47 percent unfavorably. Romney's perception was divided 49 percent favorable and 49 percent unfavorable.
47: Percent for Obama to 44 percent for Romney, according to Gallup's three-day tracking poll.
46: Percent for Romney to 44 percent for Romney, according to Rasmussen Reports.
50: Percent approval rating for Obama, with 49 percent saying they disapprove.
Shawn Humphrey is a former contributor to The Flint Journal and lives near Washington in Gaithersburg, Md.