(CNN)–Republicans continue to unite behind presidential candidate John McCain Thursday, as he wins the backing of former candidate Mitt Romney. This latest endorsement could mean a boost for McCain's delegate count - but fellow candidate Mike Huckabee says he was never interested in getting Romney's support.
In the latest installment of CNN=Politics Daily, CNN's Dana Bash follows McCain on his tour through New England.
Meanwhile, after a week of counting, New Mexico's primary ballots have finally been fully tallied, bringing a much-needed victory to Democratic candidate Hillary Clinton - and another group of delegates split between her and her presidential rival, Barack Obama. CNN's Joe Johns take a deeper look at what would happen if the Democratic nomination comes down to a decision made by superdelegates - party leaders who can choose any candidate they prefer, no matter how their state voted.
Along the campaign trail, Hillary Clinton continued to invoke former Democratic candidate John Edwards Thursday, as she worked to court the working class. CNN's Jessica Yellin reports from Ohio on Sen. Clinton's new push for blue-collar support.
Finally, while the Republican and Democratic candidates attack one another one another, their parties are taking aim at their potential fall opponents. CNN Internet reporter Abbi Tatton takes a look at the party-sponsored attacks appearing online.
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–CNN's Emily Sherman
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