The Gomerosos (a.k.a. "The Band of Republicans Standing Their Ground")

With the lead vocalists Phil Gingrey and Steve King.

The group includes 18 white and 1 Hispanic men; 1 white woman.  Not exactly a rainbow coalition.

Most of them can afford to be intransigent.

Staunch Group of Conservatives Outflanks the House Leadership.  (The New York Times, 10/1/2013)

Print headline:  "A Committed Group of Conservatives Outflanks the House Leadership".

Committed?  Well, we can only hope.  (Sense 1b)

For this, too.