As Muslim Americans attended prayer services, many worried about copycat incidents
Comments come as North Korea, US harden positions after Vietnam summit
En route to Hanoi via Air Force One, Trump said he expects a 'tremendous summit'
The two sides still need to agree on what denuclearization even means and figure out how to move the process forward
Socialist ideas are increasingly popular in the US, according to recent polls and Democratic candidates are embracing them
President bypasses Congress to build a wall along southern U.S. border, setting up legal challenge that could help determine limits of presidential power
But General Robert Abrams, head of US Forces Korea, says upcoming Trump-Kim summit a 'positive sign'
President warns that another shutdown looms if Congress does not approve his border wall demand
President made his second State of the Union address with a new backdrop: for the first time a Democratic Speaker of the House, Nancy Pelosi of California, looked over Trump's shoulder as he spoke in the House chamber of the US Capitol
US expects 'significant and verifiable progress' at next Trump-Kim summit
Comments seen as implicit criticism of Trump, Congress