GOP Sen. Markwayne Mullin challenges Teamsters president Sean O'Brien to fight at Senate hearing - CBS News
- GOP Sen. Markwayne Mullin challenges Teamsters president Sean O'Brien to fight at Senate hearing CBS News
- WATCH: Oklahoma senator challenges Teamsters president to a fight during Senate hearing PBS NewsHour
- GOP Sen Mullin, union boss almost come to blows in Senate hearing: 'Stand your butt up' Fox News
- Senator challenges witness to fistfight in hearing - Wichita KWCH
- WATCH: Republican Sen. Mullin challenges Teamsters president to fight during hearing NBC News
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