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As the summer driving season gets under way on Memorial Day weekend, hotels, retailers, and even churches are running promotions to help consumers with high gasoline prices.
A poll shows him at 6 percent among blacks, a key bloc.
The former president has been mostly an asset in his wife's presidential campaign, but some top Democrats are starting to issue warnings in the media.
Rising entitlement costs and Iraq war expenses take a back seat to shorter-term stimulus plans.
Loss is major setback for Huckabee. Romney remains contender with win in Nevada.