WASHINGTON — Federal prosecutors on Monday moved with unusual speed to charge a 31-year-old man with the attempted assassination of the president, following a harrowing security breach at the White House Correspondents’ Dinner that has sent shockwaves through the capital’s political and media establishment. The suspect, identified as Cole Tomas Allen, was tackled by a phalanx of Secret Service agents just yards from the ballroom entrance at the Washington Hilton on Saturday

Washington, D.C.—Recent economic data highlights a notable decline in the cost of essential goods, including eggs and gasoline, as new...