WASHINGTON (Reuters) - Newt Gingrich's wild ride of a presidential campaign could soon be coming to an end.
The Republican candidate is reassessing his candidacy after rival Mitt Romney easily won Delaware, one of five northeastern states holding presidential primaries on Tuesday, and the state where Gingrich campaigned most heavily.
"I think we need to take a deep look at what we are doing," Gingrich told NBC in an interview on Monday.
Republican front-runner Romney delivered a speech billed by his campaign as his first address of the general election campaign against Democratic President Barack Obama.
Romney won all 17 delegates up for grabs in Delaware and 56 percent of the vote, almost 30 points ahead of Gingrich, results showed with almost all votes counted.
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