ISLAMABAD, Pakistan - Pakistan on Tuesday tested its longest-range missile yet, capable of carrying a nuclear warhead and hitting targets deep inside neighboring India, a defense ministry official said. The official, who did not want to be named, said the test was "100 percent successful." "It can carry both conventional and unconventional warheads." He did not disclose where the test was conducted. The surface-to-surface Shaheen 2 missile has a range of 2,000 kilometers (1,250 miles). Pakistan's previous longest-range missile was the Ghouri tested in 1997, which has a range of 1,300 kilometers (810 miles). Pakistan Foreign Ministry spokesman Masood...