President Bush is facing some of his most difficult political days in the White House, confronted by tough audiences at home and abroad. In Europe for the G8 Summit, which starts tomorrow, the President already is facing criticism for his proposal on global warming. With new leaders in Europe, will Bush be able to form new political alliances? Can he count on traditional alliances? On the home front, with Democrats in control of Congress and conservatives angry over his immigration bill, will he be able to score any domestic political successes in the final years of his presidency? What does the history of presidential lame-duck years tell us about what the future may hold for George Bush?