In Gallup's Daily Tracking poll, Obama, after a slight dip last week, edges out Clinton among Democratic voters:

Obama 47
Clinton 45

In Gallup's head-to-heads, McCain's lead has narrowed against both candidates to just one point:

McCain 45 - Obama 44
McCain 46 - Clinton 45

In RCP's McCain vs. Obama average, McCain leads by 1.3 (45.9 to 44.6). In RCP's McCain vs. Clinton average, McCain is ahead by just 0.3 (46 to 45.7).