A new ABC News/Washington Post poll finds a "sharp shift in public opinion on same-sex marriage," with 49 percent of respondents saying it should be legal and 46 percent saying it shouldn't. Three years ago, the split was 58 percent to 36 percent in the other direction. This is the first time a national poll has found more people supporting gay marriage than opposing it. Are we witnessing a "sea change," a "tipping point," a "feedback loop," or a "bandwagon effect"?
More on gay marriage here.