In it, but not of it. TPM DC
If that language sounds familiar to you, it should. It's almost word for word identical to President Bill Clinton's pledge to "end welfare as we know it." Of course, Clinton hardly ended welfare -- he reformed it.
Clinton no more ended welfare than Republicans plan to end earmarks. The GOP Pledge to America is entirely silent on earmarks, and Boehner has been unable to say, when pressed, that Republicans will push to end earmarks altogether if they retake the House.
For those keeping budget score, however, it's worth pointing out that a complete elimination of earmarks would reduce the budget deficit by $0.