WaPo: “The Michigan attorney general’s office is preparing to look into potential election fraud within Michigan Republican Rep. Thaddeus McCotter’s campaign after large numbers of the signatures turned in by the campaign were ruled invalid….At the root of that failure to qualify were more than a thousand invalid signatures. Just 244 of the more than 2,000 signatures submitted by McCotter’s campaign wound up being valid, according to the local CBS station and MIRS.”