It’s election night in America. And the outcome of these primary races could change the face of Congress. Join CNN for all of the returns. Live coverage begins Tuesday at 7 p.m. ET | CNN

After a race like no other, it all ends here! Election Night in America on CNN. Special live coverage starts Tuesday at 4 p.m. ET #CNNElection | CNN

Ever wonder how CNN works behind the scenes on election night? This is how returns are analyzed before results are ever announced http://cnn.it/2f9mTjU | CNN