I couldn't find any mention of it on Boxer's website, but did not dig deeply into her archives.

One can read the amendment itself near the bottom of this page.

Also, in this article it says, in part: Meanwhile, the White House expressed some reservation about the passage of the Senate measure, even though President Bush publicly reversed himself earlier this week and said he would back a trial program that sought to arm around 1,400 – or 2 percent – of airline pilots. .