Chicago Mayor Lori Lightfoot (D) joined Stephanie Ruhle to discuss the state of the pandemic in her city after the CDC announced last week that fully vaccinated Americans can stop wearing masks. "To say, well, if you’re vaccinated, you don’t have to wear a mask, that’s great, but what about all the other people that are out there that aren’t vaccinated, and there’s no way to know that?" » Subscribe to MSNBC: http://on.msnbc.com/SubscribeTomsnbc 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, Meet the Press Daily, The Beat with Ari Melber, Deadline: White House with Nicolle Wallace, Hardball, All In, Last Word, 11th Hour, and more. Connect with MSNBC Online Visit msnbc.com: http://on.msnbc.com/Readmsnbc Subscribe to MSNBC Newsletter: http://http://MSNBC.com/NewslettersYouTube Find MSNBC on Facebook: http://on.msnbc.com/Likemsnbc Follow MSNBC on Twitter: http://on.msnbc.com/Followmsnbc Follow MSNBC on Instagram: http://on.msnbc.com/Instamsnbc #CDC #Masks #MayorLightfoot