WATCH: Dem scolds Homeland Security chief to ‘calm down’ after hearing derails over alleged ‘pattern’

A Senate Appropriations Committee hearing was derailed Tuesday after Sen. Chris Van Hollen, D-Md., and Homeland Security Secretary Markwayne Mullin got into a heated exchange, prompting the Democrat to tell Mullin to "calm down." Van Hollen, who is best known for flying to El Salvador to meet with controversial illegal immigrant and alleged gang member Kilmar Abrego Garcia, accused the Department of Homeland Security (DHS) of having a "pattern" of abuse while enforcing immigration law. He pointe