Anti-Syrian regime protesters chants slogans against Syrian President Bashar Assad during a demonstration after Friday prayer, in Beirut, Lebanon, Friday, March 9, 2012.

San Francisco 49ers' Colin Kaepernick (7) and Eric Reid (35) kneel during the national anthem before an NFL football game against the Carolina Panthers in Charlotte, N.C., Sunday, Sept. 18, 2016. (AP Photo/Mike...

Trees are reflected in the water in the Buena Vista community in the aftermath of Hurricane Maria in San Juan, Puerto Rico, Sunday, Sept. 24, 2017. (AP Photo/Carlos Giusti)

Trees are reflected in the water in the Buena Vista community in the aftermath of Hurricane Maria in San Juan, Puerto Rico, Sunday, Sept. 24, 2017. (AP Photo/Carlos Giusti)

Education Secretary Betsy DeVos spoke this week about campus sexual assault and enforcement of Title IX at George Mason University in Arlington, Va.

This illustration provided by NASA/JPL-Caltech shows an artist's conception of what the TRAPPIST-1 planetary system may look like, based on available data about their diameters, masses and distances from...