It must have been because Bush is white.*

U.S. Senate Roll Call Votes 109th Congress — 2nd Session

As compiled through Senate LIS by the Senate Bill Clerk under the direction of the Secretary of the Senate
Question: On the Joint Resolution (H.J.Res.47 )
Vote Number: 54 Vote Date: March 16, 2006, 11:17 AM

Senate.gov

* Sheila Jackson Lee logic.

HT: Drudge