Author of study that claimed people changing minds on gay marriage by door to door conversation now seeks retraction...

Late last year, the journal Science published a study that suggested door-to-door canvassing could increase support for same-sex marriage. That study, by Michael LaCour, a doctoral student of political science at the University of California, Los Angeles, and Donald Green, a professor of political science at Columbia University, was picked up by several news organizations mostly because of its far-reaching implications.

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