U.S. gun-control groups outspent gun-rights groups for the midterm elections by 40% — largely because of funding from billionaire Michael Bloomberg — unraveling the National Rifle Association's longstanding dominance in spending on gun politics, Reuters reports.
Why it matters: It's the first time in about 20 years the spending is reversed in federal races. However, gun-control groups have outspent gun-rights advocates in state elections in recent years.