Obama defends record on terrorism in national security speech

By Ayesha Rascoe TAMPA, Fla. (Reuters) - President Barack Obama on Tuesday warned that the United States would not be able to wipe out terrorism with military might as he offered a sweeping defense of his administration's national security record. In his final major speech on counterterrorism as president, Obama argued that his administration had been able to make al Qaeda "a shadow of its former self" and had put Islamic State on its heels, but said terrorism would remain a threat to the United