Officer Edward Nero, one of six Baltimore city police officers charged in connection to the death of Freddie Gray, leaves a courthouse after being acquitted of all charges in his trial in Baltimore, Monday, May 23, 2016. (AP Photo/Patrick Semansky) 

In this July 19, 2011 file photo, Confederate battle flags fly in Mountain Creek, Ala. The House has voted to ban the display of the Confederate flag on flagpoles at Veterans Administration cemeteries. The 265-159 vote would block descendants and others seeking to commemorate veterans of the Confederate States of America from flying the Confederate Battle Flag over mass graves, even on days that flag displays are permitted. (AP Photo/Dave Martin, File) 

In this Friday, May 6, 2016, photo, Republican presidential candidate Donald Trump speaks during a rally in Eugene, Ore. Trump has won the Republican presidential primary in Oregon, adding another state to the presumptive GOP nominee's tally of victories. AP Photo/Ted S. Warren, File 

Ballots are prepared for counting at Multnomah County election headquarters in Portland, Ore., Tuesday, May 17, 2016. Tuesday is Oregon's primary election. (AP Photo/Don Ryan) 

Automakers are reinventing themselves as "mobility" companies that can accommodate all the different ways people get around. Ford created a technology-focused division based in Silicon Valley that will invest in promising transportation startups. It also launched FordPass, a smartphone app that helps users find parking or share their cars. (AP Photo/Paul Sancya) 

Rep. Bobby Scott, D-Va., ranking member on the House Education and the Workforce Committee, left, stands with Rep. John Conyers, D-Mich. during a news conference on Capitol Hill in Washington, Tuesday, May 17, 2016. Six decades after the Supreme Court outlawed separating students by race, stubborn disparities persist in how the country educates its poor and minority children. A report Tuesday, May 17, 2016, by the nonpartisan Government Accountability Office found deepening segregation of black and Hispanic students nationwide, with a large increase among K-12 public schools. (AP Photo/Evan Vucci)