"What they say in Washington is not going to affect the fact that there are terrorists around the world that are planning to come here and kill us," he said in Iowa, in the most spirited part of his newly honed stump speech. Pointing his finger and bouncing up and down on his toes, he declared, "It is something I understand better than anyone else running for president." H said, it is time to eliminate the estate tax and vastly simplify the tax code. But it was the Iraq war and efforts against terrorism on which he was most impassioned....