Trump says his nuclear button 'bigger' than North Korea's; North reopens border hotline

Trump says his nuclear button 'bigger' than North Korea's; North reopens border hotline  Reuters South Korea says cross-border hotline with North has reopened  Washington Post North Korea Reopens Border Hotline With South  New York Times South-North Korea Border Talks Might Follow Kim Jong Un's Recent Overture  ValueWalk Is this North Korea's Oprah moment?  CNNFull coverage