Justin amash
The Michigan lawmaker has long been a critic of the president, but he said earlier this month Trump's actions warranted impeachment.
The Michigan Republican accused the attorney general of using his position to promote the president's narrative that the Mueller investigation was "unjustified."
The senator said the Mueller investigation was the “antithesis of libertarianism.”
The Michigan congressman continues to say that the president has "engaged in impeachable conduct."
WHAT'S HAPPENING
"The Late Show" host taunts GOP lawmakers for refusing to stand up to President Donald Trump.
The Republican congressman once again made his case after previously tweeting that the president had "engaged in impeachable conduct."
"You never stop lying, do you?" Conway taunts.
Rep. Justin Amash of Michigan became the first Republican congressman to call the president's conduct "impeachable."
Amash is the first GOP member of Congress to say the legislative body should take that action.
Rep. Justin Amash (R-Mich.) condemned Trump's efforts to bypass Congress for money to build a U.S.-Mexico border wall.