NATO leaders gathering in London brace themselves for Trump 'fireworks'

NATO leaders gathering to mark the alliance's 70th anniversary in London face multiple challenges -- including the uncertainty of what President Donald Trump might do.

Trump opened last year's NATO summit with a snarling dismissal of its "delinquent" members for not spending more on their defense budgets and a jibe at Germany for being "a captive of Russia."

This year, Trump is under new pressures -- the 2020 election campaign has begun and he faces an impeachment inquiry that begins its next phase before the House judiciary committee on December 4, the second day of the NATO meeting.

Read the full story and more in CNN.