This Week on Washington Week: President Trump meets with world leaders at the G-7 in Canada | Washington Week

This Week on Washington Week: President Trump meets with world leaders at the G-7 in Canada

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On this week’s Washington Week:  President Trump meets with world leaders at the G-7 in Canada ahead of his historic summit with North Korean leader Kim Jong-un. Plus does the president have the "absolute power" to pardon himself?  

President Donald Trump attends the G-7 Summit in Canada on Friday where he may face a frosty reception from the leaders of Canada, France, Germany, and the UK just one week after he imposed new international steel and aluminum tariffs.  The action has strained America's long-standing relationship with some of its closest allies. The war of words between Trump and the other G-7 leaders escalated in the lead up to the meetings with the leaders of France and Canada suggesting the G-7 could sign a six-nation agreement and exclude the U.S., and President Trump saying Russia should be allowed to rejoin the group.

Trump’s trip to Canada coincides with the introduction of legislation by Republican Senators Bob Corker (Tenn.) and Pat Toomey (Penn.) that would require Congressional approval before any tariffs are imposed for “national defense” reasons.  The legislation would put a limit on presidential power on trade and would be retroactive for two years to cover Trump’s recent trade moves.

On Saturday, President Trump will fly directly from the G-7 meetings in Canada to Singapore to prepare for his June 12th summit with North Korean Leader Kim Jong-un.  Trump wants Kim to commit to a timetable to give-up his nuclear arsenal and is prepared to walk out of the meeting if it doesn’t go as planned.

Meanwhile, alternative interpretations of the Constitution abound after Mr. Trump claimed the presidency grants him sweeping constitutional powers to end federal investigations and grant pardons. The president's personal lawyer, former New York City Mayor Rudy Giuliani, claims the president has the absolute power and ability to pardon himself. 

Plus, special counsel Robert Mueller's team has accused former Trump campaign chairman Paul Manafort of witness tampering.  Could Manafort's home detention be revoked and is Mueller sending a warning to others who have been indicted?

Robert Costa discusses summits, pardons, presidential authority, and this week’s developments in the Russia probe with:

Robert Costa discusses summits, pardons, presidential authority, and this week’s developments in the Russia probe with:

Charlie Savage of The New York Times

Molly Ball of TIME, and

Manu Raju of CNN