Mr. Huckabee got a boost from conservative and evangelical Christian voters in the state, but not enough to overcome support among moderates and nonevangelical Christians for Mr. McCain, who won 50 percent of the vote. Mr. McCain also prevailed in the District of Columbia, with 68 percent of the vote, and in Maryland, where he had 55 percent of the vote with 67 percent of the precincts reporting.
Source: wiktionary