Control of Congress is up for grabs. What’s the math for Democrats and Republicans?

Republicans currently hold majorities in the House and Senate. How many seats must Hakeem Jeffries and Chuck Schumer flip to seize control of Congress?

​Republicans currently hold majorities in the House and Senate. How many seats must Hakeem Jeffries and Chuck Schumer flip to seize control of Congress?  Politics Republicans currently hold majorities in the House and Senate. How many seats must Hakeem Jeffries and Chuck Schumer flip to seize control of Congress?