An area Congressman who advocates tighter border control, Duncan Hunter, is trying to counter reports that the well-publicized fence along the border with Mexico will cost tens of billions of dollars. Bob Costantini has details from Capitol Hill, where Hunter claims his numbers are much lower. It is known as the 700 mile fence, though proponents now figure the border barriers approved by Congress in the waning days of republican control will total more than 850 miles. One of its staunchest supporters, San Diego Republican Duncan Hunter wants to counter last week’s estimate by the Congressional Research Office that construction...