Donald Trump's Cell Phone Use May Pose Security Risk Listen Download Embed Share Share this on Facebook (Opens in a new window) Share this on Twitter (Opens in a new window) Share this via Email A woman holds up her cell phone before a rally with Republican presidential candidate Donald Trump, Thursday, Sept. 29, 2016, in Bedford, N.H. ( John Locher / Associated Press ) Produced by Ethan Oberman Hosted by John Hockenberry Produced by PRI and WNYC