Republican Sen. Josh Hawley engaged in a fiery debate with members of his own party before joining Democrats on the Senate Homeland Security & Governmental Affairs Committee Wednesday to advance a bill that would ban members of Congress or their spouses from trading or holding individual stocks.

Josh Hawley is brushing off President Donald Trump's quip that he's a “second-tier” senator after the Republican’s proposal to ban stock trading by members of Congress — and the president and vice president — won bipartisan approval to advance in a committee vote.