Former President Barack Obama gave these twins the surprise of a lifetime. Twin brothers Fred and Tim Williams are the hosts of a popular YouTube channel, TwinsTheNewTrend, which has 700,000 subscribers who tune in for their reactions to popular songs from Aerosmith to Dolly Parton to Whitney Houston. On this latest episode, while the brothers listened to Bob Dylan’s “The Times Are A-Changin” from A Promised Land playlist — created by Obama, the former president joined them via video conference call. Still can’t believe that former President @BarackObama surprised us in our new video. Watch it now: https://t.co/G56AzUG9t2 and catch us in the YouTube Original #BookTube , December 16th where we’ll continue the conversation about his new memoir #APromisedLand only on @YouTube pic.twitter.com/q6WfFYDg25 — TNT (@Twinsthenewtren) November 19, 2020 “You guys have become these YouTube stars because you’ve been going to the backlist of old songs and rediscovering them, and opening up...