The Washington Post has an interesting analysis of Bush's election strategy and how it has influenced his decisions in office:
Once Again, Targeting Base Pays Off for Bush: Although the final judgment is still to come, yesterday's balloting did in several instances validate important elements of the Bush political model. This strategy has been based from the outset of Bush's term on carefully tending the Republican Party's conservative base, and a governing strategy based more often on trying to vanquish political adversaries rather than split the difference with them.
Since the Sept. 11, 2001, terrorist attacks and the Iraq war, Bush strategists have also calculated that there is not so much difference between base voters and centrist 'swing' voters -- both, they maintained, are concerned above all with national security and lower taxes. strategy defied the wisdom of many Democrats since Bill Clinton, which held that swing voters were a distinct political entity and would not respond to a president as partisan as Bush.
As it happened, though, Bush's strategy last night worked much like it was supposed to...