Washington (AP) - Rainbow flags fluttered above the crowds near the White House as tens of thousands of gay rights supporters rallied to demand that President Barack Obama keep his promises to end discrimination against gays and also let them serve openly in the military.

"Hey, Obama, let mama marry mama" some chanted on Sunday. Others cried out, "We're out, we're proud, we won't back down."

Some taking part in the National Equality March woke up energized by Obama's promise to end the ban on gays serving openly in the military. He made that pledge in a speech Saturday night to the Human Rights Campaign, nation's largest gay rights group...