GOP candidates Mitt Romney and Rick Santorum are set to deliver speeches on Tuesday night as primary results continue to be tallied for contests in Maryland, Washington D.C. and Wisconsin.
Romney won primaries in Washington D.C. and Maryland easily, according to early results. Wisconsin's polls will close at 9 p.m. EST.
Romney went into the contest leading rival candidates Rick Santorum, Newt Gingrich and Ron Paul, according to the latest polls.
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Click here for a the latest statistics on the state of the GOP primary race.