Regrets? Obama's 2012 voters in key states have a few

• Just two years ago, President Obama was re-elected, the first Democrat since FDR to twice win a majority of the electorate.

That was then.
Now USA TODAY/Suffolk University polls in a half-dozen states with key Senate races underscore just how much times and political fortunes have changed for the president. In five of the six states, the percentage of likely voters who say they voted for Obama in 2012 has dipped from the actual results.
Of those who say they did vote for him, as many as one in seven say they regret it.
"He started out as such a dynamic powerhouse; I mean, it seemed to be he could do anything," says Mike White, 64, of Cary, N.C., one of those disappointed past supporters. "Now I think he's just looking forward to the end of his presidency."
That helps explain why Obama has limited his campaigning so far mostly to raising money, not rallying voters. In a debate in Kentucky on Tuesday night, Republican Sen. Mitch McConnell repeatedly tried to tie Democratic challenger Alison Lundergan Grimes to the president while she refused even to say whether she had voted for him herself.
That reluctance apparently extends to others. In 2012, Obama carried three of the states surveyed by USA TODAY and Suffolk University's Political Research Center with more than 50% of the vote. But now just 47% of likely voters in Iowa, 46% in Colorado and 48% in Michigan say they voted for him.
Of the six states, only in Kansas did the percentage who remember voting for Obama match the actual election returns, at 38%. His standing slid 5 points in North Carolina and 2 in Arkansas.