Sen. Timothy Kaine (D-Va.), the ranking member of the Senate Armed Services Committee (SASC) seapower panel, pledged on Tuesday that the Senate will get to the bottom of what happened in the Feb. 28 strike on an Iranian girls school--a likely Tomahawk cruise missile hit that killed more than 150 people. "We haven't been briefed about it," Kaine told Defense Daily when asked whether he had received any findings from U.S. Central Command (CENTCOM) or other information from the military…