CRAWFORD, Tex., Dec. 30 -- On most of the 365 days he has enjoyed at his secluded ranch here, President Bush's idea of paradise is to hop in his white Ford pickup truck in jeans and work boots, drive to a stand of cedars, and whack the trees to the ground.SNIPThis might strike many Washingtonians as a curious pastime. It does burn a lot of calories. But brush clearing is dusty, it is exhausting (the president goes at it in 100 degree-plus heat), and it is earsplitting, requiring earplugs to dull the chain saw's buzz.SNIPRonald Reagan chopped wood and rode...