Dismayed by Trump, Head of Drug Enforcement Administration to Leave<br />WASHINGTON — The acting head of the Drug Enforcement Administration will resign at the end of the week, according to<br />law enforcement officials, who said he had become convinced that President Trump had little respect for the law.<br />The president spoke disparagingly about ongoing criminal investigations into his own associates, encouraged the Justice Department to investigate political rivals including Hillary Clinton<br />and said he would never have nominated Jeff Sessions to be attorney general if he had known Mr.<br />The president fired Mr. Comey in May, and then in July told law enforcement officers “please don’t be too nice” when handling crime suspects.<br />Mr. Trump has injected the White House into law enforcement matters in ways that have made many career officials uncomfortable.