Twitter is testing a system that lets users label false or misleading tweets by politicians, taking a cue from sites like Wikipedia and Reddit. (TWTR)

· Twitter is testing a new feature that would show warnings below tweets from politicians and public figures that have been flagged as misleading by users, according to NBC News.
· Large, brightly colored labels would appear below tweets reported as "harmfully misleading," according to NBC.
· One version being considered...