The Democratic mayors of Denver, Chicago, Boston, and New York City were grilled for hours over their so-called sanctuary city policies at a Congressional hearing Wednesday as President Donald Trump pushes his aggressive immigration agenda and threatens to punish cities that don’t comply.

Republican members of Congress hammered four Democratic mayors Wednesday about their so-called sanctuary city policies, accusing them of endangering Americans and threatening to prosecute local officials.

Political strategist Delmarie Cobb says Mayor Johnson held up in a hostile room as he testified before the U.S. House Oversight Committee on Chicago’s sanctuary city status. Cobb joins Marie Saavedra with analysis.