NATION&WORLDEXTRA-USATODAYNETWORKSUNDAY,JULY9,20231NNSUBSCRIBER-EXCLUSIVESPECIALEDITIONDESMOINES,Iowa–IowaRepub-licansannouncedSaturdaythattheparty’spresidentialnominatingcau-cuseswillbeheldJan.15,onthefeder-alholidayhonoringMartinLutherKingJr.,puttingthefirstvotesofthe2024electionalittlemorethansixmonthsawayastheGOPtriestore-claimtheWhiteHouse.WhiteHousecandidateshavecam-paignedinIowasincelastwinter,buttherehasbeensomeuncertaintyaboutthedateforthecaucusesthathavebytraditionkickedofftheRepub-licanselectionprocessforanominee.What’schangedistheDemocraticNa-tionalCommittee’selectioncalendar,droppingIowaasitsfirstcontest.TheIowaRepublicanParty’sstatecent...