Support WBUR'Treason,' 'Spy,' 'Coup': As Impeachment Talk Intensifies, So Does Trump's RhetoricPlay03:53Download AudioTamara KeithOctober 05, 2019 SharePresident Trump talks to journalists on the South Lawn of the White House Friday. An NPR analysis finds Trump's use of heated phrases has jumped considerably beginning in March of this year. (Getty Images)