Book excerpt: "In 1948, Harry Truman, President of the United States, almost fell through the ceiling of the Blue Room in a bathtub into a meeting of the Daughters of the American Revolution. A team of the nation's top architects was hastily assembled to inspect the White House, and upon seeing the state the old mansion was in, insisted the First Family be evicted immediately. What followed was the biggest home-improvement job the nation had ever seen"--