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President Donald Trump moved to sharply escalate the trade war with Canada, seeking to block imports of some motorcycles, dairy products and alcohol. NBC News' Alice Barr has details on the latest economic relations between the U.S. and Canada.

With less than two months to go until the November elections, Republicans are gathering in Dallas Wednesday for the party's first-ever midterm convention, aiming to fire up voters. President Donald Trump is set to speak at the two-day event. It comes ...

NBC News projects that Stefany Shaheen has won the Democratic primary for New Hampshire's 1st House district, and Anthony DiLorenzo, a businessman backed by President Trump, secured the Republican nomination.

The president later said on Truth Social that he wasn't at the World Trade Center "on the same day as the collapse, but shortly thereafter."

Rep. Chris Pappas asked voters if they feel they are living in President Trump's "golden age" after his projected win in New Hampshire's Democratic Senate primary.

Former Sen. John Sununu thanked his family and supporters after his projected in the Republican Senate primary in New Hampshire. Sununu previously served in the Senate from 2003 to 2008.

Rep. Chris Pappas has won the Democratic Senate primary in New Hampshire while former Sen. John Sununu won the Republican Senate nomination, NBC News projects. NBC News' Steve Kornacki is at the board breaking down the numbers and other races in the ...

Pappas and Sununu won their primaries Tuesday night, NBC News projects, as both parties expect a competitive Senate race in New Hampshire this fall.

Warmington was unopposed in the Democratic primary, while Ayotte faced nominal opposition before winning her primary, NBC News projects.

Plus, Republicans revive a familiar playbook in Texas.