Trickle-down tax cuts don’t work. That isn’t stopping Republicans. 

Despite a finding by the Congressional Budget Office that extending the Trump tax cuts would increase the national debt by $4.7 trillion over the next decade, Republicans remain resolute in pursuing this path through a party-line reconciliation process. If successful, this will mark their fourth major enactment of a trickle-down tax cut in recent decades, none of which have delivered on their promises of leading to broad prosperity. 

The pattern is painfully familiar. Each time, Americans...