STOCKTON — Less than 1,300 votes out of 112,000 counted so far separate incumbent U.S. Rep. Jeff Denham, R-Turlock, from his Democratic challenger, Josh Harder, for the 10th Congressional District that covers Stanislaus and southern San Joaquin counties.With “tens of thousands” of ballots left to be counted, it could be weeks before the outcome of this too-close-to-call race is determined.Denham, who was first elected to the House of Representatives in [...]