NASA photo, meant to inspire, sparks useless government investigation

This photograph, which features NASA researchers dressed as Vikings, was intended to evoke a fun and inspirational sense of exploration. Iowa Senator Chuck Grassley, who launched an investigation to see if the photo had involved a misuse of government funds (it hadn't), was apparently unmoved by its message. » 7/30/13 6:40am 7/30/13 6:40am