Barack Obama, who has spent much of the time since his election closeted with his advisers in Chicago, sent a strong signal today that he intends to make a decisive break with George Bush on environmental policy once he moves into the White House The move was part of a carefully coded series of messages from Obama meant to reassure America and the world about the shape of his administration, which does not assume power until January 20. Also today, Obama appointed Madeleine Albright, who served as Bill Clinton's secretary of state, and Jim Leach, a former Republican member of...