U.S. Senator Carl Levin and 18 other senators have filed a friend-of-the-court brief to help the U.S. commodities regulator defend its rules on position limits in oil markets aimed at preventing excessive speculation.
Facebook Inc, which runs the world's largest social networking website, won a court ruling on Friday rejecting a bid by thousands of advertisers to sue the company as a group for overcharging them.
Gun-rights activists at a National Rifle Association convention said on Friday that protesters who demanded the arrest of George Zimmerman for the shooting death of unarmed teenager Trayvon Martin were ignoring the U.S. legal principle of innocent until proven guilty.
Fundraising by Democratic "Super PACs" is off to a slow start for the 2012 campaign season, compared with aggressive efforts by Republican groups that plan to spend hundreds of millions of dollars in fights for congressional seats and the White House.
