An investigation into the obvious .
We are in the midst of the least-suspenseful investigation ever launched by American law enforcement. Hundreds of investigators are seeking leads around the world to discover the motive of the Boston Marathon bombers, Tamerlan and Dzhokhar Tsarnaev.
This probe is considered a foray into the unknown, and perhaps the unknowable. “Do you have any clearer idea,” the host of “Face the Nation,” Bob Schieffer, asked Massachusetts Gov. Deval Pa...
