DAVID MARCUS: Passing the Save America Act to save Cornyn is a fair deal

The most important thing to know about this week’s primary results in Texas is that nearly 60% of Republican voters told sitting Sen. John Cornyn that they do not want him returning to Washington, and it will take more than an endorsement from President Donald Trump to change that.

On Thursday, Cornyn’s opponent, Texas Attorney General Ken Paxton, made an interesting offer to avoid an ugly and costly runoff election in May. Put simply, if the Senate approves the Save America Act, requiring...