AdvertisementFacebook's Advertising Tools Complicate Efforts To Stop Russian InterferenceOctober 30, 2017Aarti ShahanifacebookEmailSen. Amy Klobuchar, D-Minn., (left) and Sen. Mark Warner, D-Va., holds a news conference Oct. 19 to introduce legislation designed to increase the transparency of political ads on Facebook, Twitter and other social media platforms. (Getty Images)
