4/20 pot celebrations marked by arrests at U.S. Capitol

Marijuana smoke-ins, street parties and concerts marked the informal 4/20 pot holiday across the country on Thursday, but police spoiled one cannabis event near the U.S. Capitol with arrests and seizure of joints.To boos from onlookers, U.S. Capitol police led away pot activists who distributed joints to congressional staffers and others as part of a campaign to generate support for marijuana law reform in Congress.The police action in Washington on the day of celebration for marijuana fans unde