Yesterday, I wrote about an example of the all-too often bi-partisan dumbness when it comes to taxes. So, today, a little glimmer–and it’s tiny. Sometimes, bi-partisanship on taxes yields a little sanity.

Three Republicans have got a modicum of a brain left, says Citizens for Tax Justice, and this may benefit students:

Three Senate Republicans (two of whom have signed Grover Norquists’s infamous no-tax-increases pledge) joined their Democratic colleagues Wednesday to support a bill that would use the “Buffett Rule” to raise taxes on millionaires and offset the cost of easing student loan repayments.

Introduced by Sen. Elizabeth Warren (MA), the bill had the support of 57 senators, three short of the threshold for cloture in the Senate.

The three Republicans voting in favor were Susan Collins (ME), Bob Corker (TN) and Lisa Murkowski (AK). Corker and Murkowski have publicly said they do not feel bound by the Norquist pledge.

And:

The tax provision in Sen. Warren’s bill, which was first introduced by Senate Democrats in 2012, takes the more roundabout approach of imposing on millionaires a minimum effective tax rate (including personal income taxes and health care taxes) of 30 percent. It is projected to raise $73 billion over a decade.