Would-be presidential candidates are ditching "testing the waters" and "exploratory committees" to hold onto unlimited and undisclosed cash for longer. Mark Wilson/Getty Images hide caption

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Sen. Charles Schumer of New York stands a podium March 3 as Senate Minority Leader Harry Reid of Nevada looks on. Reid is backing Schumer to be his replacement as Democratic leader. J. Scott Applewhite/AP hide caption

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Two years ago, Charles Ramsey, Philadelphia's police commissioner, called for a federal review of the city's police practices. Ramsey called for a similar federal inquiry during his tenure as Washington, D.C.'s police chief. Matt Rourke/AP hide caption

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Canadian athletes hold up the national flag during the 2014 Winter Olympics in Sochi, Russia. Sen. Ted Cruz was born in Calgary, and some question his eligibility to run for president in the U.S. Darron Cummings/AP hide caption

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President Obama with Israeli Prime Minister Benjamin Netanyahu at the White House in 2013. The two have never had a warm and fuzzy relationship. Charles Dharapak/AP hide caption

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Terrence Howard (center) stars in Empire with (from left): Jussie Smollett, Serayah McNeill, Taraji P. Henson, Bryshere Gray, Grace Gealey, Trai Byers and Kaitlin Doubleday. Chuck Hodes/Fox TV hide caption

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