An Iowa state senator resigned Wednesday after a special investigator found it likely he violated ethics rules by taking money from political entities connected to former presidential candidate Michele Bachmann and then denying he’d done so. Sen. Kent Sorenson told The Associated Press that he had already decided he would not run for re-election, and that his resignation was best for his family. He said his decision was “absolutely not” an admission of wrongdoing. … His resignation came after attorney Mark Weinhardt said in a report released earlier in the day that it was “manifestly clear” Sorenson negotiated payments in...