A woman's touch

The Wall Street Journal is reporting that a woman's DNA has been found on the remnants of one of the bombs used by Tamerlan and Dhzokhar Tsarnaev to commit terrorism at the finish line of the Boston Marathon. Although that may not mean that a woman was involved in assembling the bombs, the FBI has asked for a DNA sample from Katherine Russell, Tamerlan Tsarnaev's widow. She may not have been