U.S. Senators are enhancing security in airports by making employees as well as foreign cargo face harsh screening.
A number of bombs exploded in the western Ukrainian city of Lviv as the government struggles to contain the various militias and armed groups it has also enrolled in its battle against pro-Russian separatists in eastern Ukraine.
Sister Helen Prejean testifies that the accused, Dzhokar Tsarnaev, is remorseful and should not be given the death penalty.
