This image shows the galaxy MCS J0416.1–2403, one of six clusters targeted by the Hubble Frontier Fields program. The varying intensity of blue haze in this image is a mass map created by using new Hubble observations combined with the magnifying power of a process known as gravitational lensing. ESA/Hubble/NASA hide caption

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Massachusetts Sen. Elizabeth Warren, Melania Trump and former President Bill Clinton show off their patriotic wardrobes at the conventions. Aaron P. Bernstein/Getty Images; Timothy A. Clary/AFP/Getty Images; Saul Loeb/AFP/Getty Images hide caption

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Republican presidential candidate Donald Trump speaks during a town hall meeting in Roanoke, Va. Evan Vucci/AP hide caption

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Is Trump's Call For 'Law And Order' A Coded Racial Message?

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President Obama and Hillary Clinton stand together on stage on the third day of the Democratic National Convention in Philadelphia. Justin Sullivan/Getty Images hide caption

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TV Actors Make Big Money, So Why Grumble Over NFL Salaries?

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A crowd of over 4,000 people filled the Gospel Tabernacle in Fort Wayne, Ind., to hear Col. Charles Lindbergh address a rally of the America First Committee on October 3, 1941. AP hide caption

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'America First,' Invoked By Trump, Has A Complicated History

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Week In Politics: Republican National Convention

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Leslie Jones poses backstage during the Sony Pictures Entertainment presentation at CinemaCon 2016, the official convention of the National Association of Theatre Owners, at Caesars Palace on April 12, 2016, in Las Vegas. Chris Pizzello/Invision/AP hide caption

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