Following a contributor’s link from I came across Barry’s site, . On the 5 May he makes this clarification

Erratum: Bush vetos

It seems that I was in error the other day, when I linked Bush’s veto of the military spending bill to the inclusion therein of a timetable for troop withdrawal. The real reason for the veto appears here:

In a two-page letter sent to the House speaker, Nancy Pelosi, and the Senate majority leader, Harry Reid, Mr. Bush said his veto threat would apply to any measures that “allow taxpayer dollars to be used for the destruction of human life.”

That would be a perfectly sane reason for vetoing a military spending bill, and I feel like a dope for having misunderstood, yes I do. So sorry.