The state of their union? Icy. Rival Democrats Hillary Rodham Clinton and Barack Obama came within a foot of one another just before President Bush's State of the Union speech Monday night and managed not to acknowledge each other. It was quite a feat, given the packed House floor, the customary bear-hugging and jostling among other members. Then a doorkeeper sat the rivals in the same row, only an aisle and four senators between them. Sen. Edward M. Kennedy was not caught in the middle. The Democrat from the iconic political family had taken sides earlier in the day when...