O'Brien and Mullin, whom Trump nominated to replace Kristi Noem as Homeland Security secretary, had traded barbs on X before the 2023 hearing.

Drivers Latest in Southern California to Unionize at Amazon LOS ANGELES, March 9, 2026 /PRNewswire/ -- Over 100 Amazon drivers at the DAX7 facility in Los Angeles marched on their bosses today, ...

Teamsters President Sean O’Brien offered unexpected praise on Thursday for Sen. Markwayne Mullin’s (R-Okla.) nomination to ...

Teamsters President Sean O'Brien praised Senator Markwayne Mullin after he was announced as Donald Trump's new pick to lead the DHS.

Teamsters boss Sean O'Brien endorses Sen. Markwayne Mullin for DHS chief, two years after their viral Senate hearing nearly ...

ST. PAUL, Minn., March 4, 2026 /PRNewswire/ -- Over 200 workers at St. Paul Beverage, a facility owned by Dairy Farmers of America (DFA), have voted to organize with Teamsters Local 471 -- uniting to ...

The Teamsters president who nearly came to blows with Sen. Markwayne Mullin during a Senate hearing has endorsed Mullin's nomination. The post Teamsters Boss Who Nearly Came to Blows With Markwayne ...

The following is a statement from Tom Erickson, Director of the Teamsters Warehouse Division, regarding Kroger's illegal and unethical behavior that is undermining good-paying Teamsters jobs nationwid ...

The 1.3 million-member International Brotherhood of Teamsters are the closest thing America has to a generic labor union. The Teamsters, who originally represented horse-team drivers, no longer stand ...

Add Yahoo as a preferred source to see more of our stories on Google. A video authentically shows Republican U.S. Sen. Markwayne Mullin of Oklahoma, whom U.S. President Donald Trump nominated to ...