A worker welds parts in fans for industrial ventilation systems at the Robinson Fans Inc. plant in Harmony, Pa., in February. Hourly wages in the U.S. remained unchanged last month. Keith Srakocic/AP hide caption

itoggle caption Keith Srakocic/AP

Raymond Smith of Charleston, S.C., kneels in prayer in front of the Emanuel AME Church in Charleston before a worship service on June 21. Stephen B. Morton/AP hide caption

itoggle caption Stephen B. Morton/AP

A man holds an American and a rainbow flag outside the Supreme Court in Washington, D.C., after the court legalized gay marriage nationwide. Jacquelyn Martin/AP hide caption

itoggle caption Jacquelyn Martin/AP

U.S. Sen. Bernie Sanders, an independent from Vermont and 2016 U.S. presidential candidate, speaks during a campaign rally in Madison, Wis., on Wednesday. Christopher Dilts/Bloomberg via Getty Images hide caption

itoggle caption Christopher Dilts/Bloomberg via Getty Images