At the dedication of the Clinton library last week in Little Rock, Karl Rove and President Bush received separate tours of the dramatic building, a glistening silver, suspended boxcar filled with light and with a panoramic view of the Arkansas river. Flung across the river stands an old railroad bridge - and to Clinton watchers, bridges represent "the bridge to the 21st century", the former president's re-election slogan in 1996...[snip] ...Then, when the presidents were announced, Bush tried to push his way past Clinton at the library door to be first in line, against the already accepted protocol for the...