LIVONIA, Mich. (AP) -- U.S. Rep. Thaddeus McCotter of Michigan announced Saturday that he would not seek a sixth term through a write-in campaign after he failed to get enough signatures to get on the ballot. McCotter ran a little-noticed Republican presidential campaign last year before asking voters to re-elect him to his Detroit-area congressional seat. He surprised everyone late last month when he announced the Michigan secretary of state's office had determined he didn't have the 1,000 valid signatures needed to get on the Aug. 7 primary ballot, even though 2,000 signatures were turned in. A spokesman for the...