On to Super Tuesday: Santorum, Romney battle on

WASHINGTON — A vic­to­ri­ous Mitt Rom­ney and runner-up Rick San­to­rum both claimed sat­is­fac­tion from the close Michi­gan pri­mary on Wednes­day as they swiftly shifted their duel for the Repub­li­can pres­i­den­tial nom­i­na­tion to Ohio and the rest of next week’s delegate-rich Super Tues­day contests.