(WASHINGTON POST) – The Democratic and Republican presidential candidates are coming to terms with the cold mathematical reality of chasing delegates ahead of their nominating conventions, with front-runners Hillary Clinton and Donald Trump driving for challenge-proof majorities against rivals who won't go away.
For Trump, who remains well short of the 1,237 delegates he needs to clinch the GOP nod, that means his campaign focuses on developing a delegate-centered strategy similar to the one that rival Ted Cruz has pursued for months.
"A more traditional approach is needed and Donald Trump recognizes that," Paul Manafort, Trump's new delegate chief, said Sunday on NBC's "Meet the Press."
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For Clinton, who lost Wyoming Saturday night to Bernie Sanders, it means maintaining her commanding leads among delegates and popular votes no matter how many states Sanders wins — or how much "momentum" he claims. Key to her drive is a win April 19 in New York, which she represented in the U.S. Senate.