Incoming Dem lawmaker fires back at Trump's former economic adviser: ‘No Gary, YOU don't know what's coming’

Rep.-elect Rashida TlaibRashida Harbi TlaibTrump labels Tlaib 'a despicable human being' Tlaib says Democrats have discussed detaining White House officials who don't testify The 13 House Democrats who back Kavanaugh's impeachment MORE (D-Mich.) on Thursday shot back at former Goldman Sachs CEO Gary CohnGary David CohnTrump says US will hit China with new round of tariffs next month Gary Cohn bemoans 'dramatic impact' of Trump tariffs Press: Acosta, latest to walk the plank MORE for comments he made while addressing new members of Congress at Harvard Kennedy School's Institute of Politics.

Cohn, who resigned as President TrumpDonald John TrumpBusiness school deans call for lifting country-specific visa caps Bolton told ex-Trump aide to call White House lawyers about Ukraine pressure campaign: report Federal prosecutors in New York examining Giuliani business dealings with Ukraine: report MORE's top economic adviser in March, was among several speakers during a bipartisan orientation program this week at Harvard.

Tlaib said on Twitter that Cohn told incoming lawmakers: “You guys are way over your head, you don't know how the game is played.”

“No Gary, YOU don't know what's coming - a revolutionary Congress that puts people over profits,” Tlaib tweeted.

The orientation at Harvard has been dubbed by the university as an event where newly elected lawmakers can “learn practical skills of lawmaking just one month prior to taking the oath of office.”

In addition to Cohn, speakers included Mary Barra, the chairman and CEO of General Motors, and Arthur Brooks, president of the right-leaning American Enterprise Institute.

Rep.-elect Alexandria Ocasio-CortezAlexandria Ocasio-CortezObamas' first Netflix project nominated for Critics' Choice Documentary Awards Sanders wishes Ocasio-Cortez happy birthday Democrat launches primary challenge to Ocasio-Cortez MORE (D-N.Y.) voiced criticism of the event on Thursday, saying their were several corporate CEOs but no labor leaders in attendance.

Tlaib, a former Michigan state representative, defeated five other candidates in Michigan's Democratic primary earlier this year and ran unopposed in November. She has championed policy efforts such as "Medicare for all" and a $15 minimum wage.