During much of that time, Bush didn't control the House and Senate. Or by very narrow majorities.
As cited, Bush and the Republicans made repeated attempts to enact stricter lending standards, that would have vastly diminished or prevented the crisis. But Democrats obstructed them and called them mean and racist at every turn. Barney Frank assured us all that Fannie Mae was "structurally sound" and very strong, right up until the day it went down like the Titanic.
