@SaraCarterDC: .@JoeBiden campaign has more than tripled its @Facebook ad spend. Until March 8, the campaign has spent $2.3 million on FB ads. The result? Facebook is now taking down videos of #Biden showing embarrassing verbal stumbles. Double standards? More: https://t.co/cWChhALGS6 https://t.co/UybpgnLxvI