Podcasting juggernaut Joe Rogan set off a Twitter storm after he challenged world-renowned vaccine scientist Dr. Peter Hotez to debate infamous anti-vaxxer and now presidential candidate RFK, Jr. Mehdi talks to Dr. Hotez about “debate me bro” culture and the absurdity of demanding medical professionals debate conspiracy theorists. » 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 through Friday at 9pm Eastern. Connect with MSNBC Online Visit msnbc.com: http:...