John McCain wraps up two relatively easy wins in Maryland and the District of Columbia, after surviving a harder than expected tussle with Mike Huckabee in Virginia. In Maryland the significant news for McCain's campaign was that he - for the first time - won a majority of self-described conservatives.
In Maryland with more than half the vote counted, McCain had 55% to Huckabee's 30%, with Ron Paul on 6%.
In the District, McCain ran away with it, taking 68% to Huckabee's 17% and Paul's 8%.
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