A combination of the young, minorities, and women joined with just enough blue-collar Midwestern whites to put the president over the top.
The minority vote, the blue wall, and the mandate: the key figures that will determine the outcome of the presidential race
The Midwest is more receptive to attacks on Romney's business experience; Westerners are more likely to see the president as a big-government liberal.
Obama returns to aggressive form, but it's too late to "re-disqualify" Romney -- and neither candidate has much margin for error.
Longtime strategists say that the lack of a compelling plan for the next four years is hurting the president's standing against Mitt Romney.
The president's ad barrage seems to have succeeded in bringing blue-collar women into his coalition -- and boosting his chance at reelection.
Nearly three-fifths of Hispanics and African-Americans believe their children will enjoy greater opportunities. Only about a fourth of whites agree. Here's why that matters.
Far from a gaffe, his remarks reflected both a long-standing belief among conservatives that the nation faces a "tipping point."
Four years after criticizing his predecessor for compromising too much, President Obama needed him to make the case for centrism.
Unless he can capture those voters who most closely resemble himself, the Republican is unlikely to defeat Obama.
Even though it's clear to both sides now that something has to be done, the Republican proposal is too far right to ever be enacted.
Voters who oppose firearm restrictions have so many other reasons to oppose Obama that they are unlikely to switch if he holsters this issue.
Tom Barrett held Obama's base -- it just wasn't large enough, suggesting the president's path to victory may have to run through Colorado.
The president may not be able to win reelection if he doesn't lay out a comprehensive plan for the next four years.
By embracing gay marriage, Obama may have strengthened his core support but further alienated blue-collar white voters.
The president's new position is a bet on the future of the Democratic Party -- and an admission that the New Deal coalition isn't coming back.
Embracing the Florida senator's alternative to the DREAM Act would improve, though not fix, the GOP's standing in the key demographic.
The president is holding his advantage with the groups that boosted him to victory four years ago, but he can't rest easy.
By stirring up questions like contraception, he changed the course of the race and may have hobbled Mitt Romney.
The nearly 50 million Americans without insurance drive up health costs. But GOP alternatives offer no real plan to solve the problem.