Obama Approval Rating up at 53% - latest Gallup poll.

Obama's slight 49% to 46% seven-day lead among registered voters is just about where it was in the seven days prior to the debate. This trend suggests that Romney's impressive debate performance -- 72% of debate watchers said he did the better job -- may not have a lasting impact. Additionally, Friday's generally positive jobs report from the government, showing that unemployment fell below 8% for the first time since January 2009, may have helped Obama's standing.

Although Gallup's main focus is on seven-day rolling averages, a breakdown of interviewing over shorter periods can be helpful in understanding the short-term impact of events like conventions and debates. As Gallup reported Monday, Romney gained ground among registered voters in the immediate aftermath of his Oct. 3 debate, moving from a five-point deficit prior to the debate to a tie in the three days that immediately followed. Most of that gain was driven by substantial Romney leads in the Thursday and Friday tracking.

Since Saturday, however, Obama has regained a 50% to 45% edge among registered voters in interviewing conducted Sunday and Monday -- the same as his margin in the three days prior to the debate. Although these two days of interviewing involve relatively small sample sizes, they suggest that Romney's debate "bounce" may be fading.

Gallup's inaugural likely voter results suggest that Romney at this point appears to have a turnout advantage, meaning that Obama will need to develop a strong lead among all registered voters in order to be assured of winning the actual popular vote. All in all, if the election were held today, Gallup's analysis suggests that the race would be too close to call. (earlier in the article: At this point, Romney voters are somewhat more likely to respond that they will definitely vote, that they have thought a lot about the election, and that they are more familiar with where people in their local area vote. These attitudes indicate that Romney at this juncture will benefit from higher turnout on Election Day among his supporters than will Obama. )

More: http://www.gallup.com/poll/157955/romney-obama-among-likely-voters.aspx?ref=image