The incumbent senator Dan S Sullivan has condemned ex-school teacher Dan J Sullivan, claiming he is running at the behest of Democrats to confuse supportersRepublican senator Dan S Sullivan will be joined on the November ballot in Alaska by a challenger with a nearly identical name from the same party, election officials confirmed on Tuesday, adding a twist to what is expected to be one of the most hotly contested races of the midterms.The Republican senator is running for a third term against