U.S. News & World Report - On Wednesday, Barack Obama completed his 100th day in office, the traditional moment to assess how a new president is doing. In Obama’s case, there is much to chew over, ranging from the quick passage of his $787 billion stimulus package to his vast spending programs and the reversal of a number of George W. Bush’s policies, including those on stem cell research, climate change, and the harsh interrogation of suspected terrorists, which some call torture. [See Obama’s 12 most important decisions in his first 100 days.]