BY DAVID CRARY, AP NATIONAL WRITER
It's possible the streak could end in November, when Maine, Maryland, Minnesota and Washington state are likely to have closely contested gay marriage measures on their ballots.
For now, however, there remains a gap between the national polling results and the way states have voted. It's a paradox with multiple explanations, from political geography to the likelihood that some conflicted voters tell pollsters one thing and then vote differently.
"It's not that people are lying. It's an intensely emotional issue," said Amy Simon, a pollster based in Oakland, Calif. "People can report to you how they feel at the moment they're answering the polls, but they can change their mind."