President Trump canceled a housing bill signing to demand passage of his controversial elections legislation, highlighting tensions with Senate Republicans. Meanwhile, Secretary of State Marco Rubio meets with Gulf leaders to address regional security concerns following recent U.S.-Iran developments. In other news, investors await Micron’s earnings as the Dow adds Alphabet, NATO’s chief visits the White House to ease alliance tensions, and deadly heat waves strike Europe. Finally, Camp Mystic filed for bankruptcy after the tragic flood deaths last year.