43 percent of registered voters say they have major concerns that McCain is too closely aligned with the current administration.

36 percent have major concerns that Clinton seems to change her position on some issues (like driver?s licenses for illegal immigrants and the North American Free Trade Agreement, which her husband signed but which she now opposes)

34 percent say they?re bothered by Obama?s "bitter" remarks

32 percent have a major problem with the Illinois senator?s past associations with Wright and the 1960s radical William Ayers

27 percent have serious concerns that Bill Clinton would have too much influence on U.S. policy decisions if his wife is electedOh, and Obama leads Clinton 46-43, down from recent polling.