Voters, right-wing pundits, and even many in the media are raising questions about Joe Biden’s age and fitness as he seeks reelection. But his likely GOP election rival, Donald Trump, is racking up some concerning gaffes of his own, with seemingly much less scrutiny. MSNBC’s Brian Tyler Cohen calls out the dangerous double standard. For more of Brian’s collab with MSNBC click here msnbc.com/btc. » Subscribe to MSNBC: on.msnbc.com/SubscribeTomsnbc Follow MSNBC Show Blogs MaddowBlog: msnbc.com/maddowblog ReidOut Blog: msnbc.com/reidoutblog MSNBC delivers breaking news, in-depth analysis of politics headlines, as well as commentary and informed perspectives. Find video clips and segments from The Rachel Maddow Show, Morning Joe, The Beat with Ari Melber, Deadline: White House, The ReidOut, All In, Last Word, 11th Hour, and Alex Wagner who brings her breadth of reporting experience to MSNBC primetime. Watch “Alex Wagner Tonight” Tuesday throu...