WASHINGTON (AP) -- NASA is adrift without a coherent vision for where it should be going, an independent panel of space, science and engineering experts says. But the report by the National Academy of Sciences doesn't blame the space agency. It faults the president, Congress and the nation for not giving NASA clear direction. At the same time, the report said NASA is doing little to further the stated goal of the White House to send astronauts to a nearby asteroid. Panel member Bob Crippen, a retired NASA manager and astronaut who piloted the first space shuttle mission, said he...