The Senate Foreign Relations Committee overwhelmingly approved Samantha Power, President Barack Obama's nominee to be U.S. ambassador to the United Nations, clearing the way for a vote in the full 100-member Senate. With the health care rollout on Oct. 1, an Obama administration team of political operators and data-crunching technocrats is working to sell the law to Americans. A crowd cheered, hundreds of cameras clicked and an image of familial perfection was beamed around the world. Prince William, his wife Kate and their infant son, the Prince of Cambridge, emerged from London's St. Mary's Hospital to start a new chapter in their lives ? capping a remarkable turnaround for a monarchy that had ended the 20th century at a low point of popularity.