Washington -- Love him or hate him, George W. Bush leaves office among the most consequential presidents in modern history. Like his home state of Texas, his presidency was big. He sought "to end tyranny in the world." He began two wars. He cut taxes three times, tried to privatize Social Security, and added the biggest expansion of Medicare since it was created under Lyndon Johnson's Great Society. He took on AIDS in Africa and redrew the federal role in education. He named two relatively young conservatives to the Supreme Court. He declared by himself a "global war on terror"...