The nation's lawmakers are increasingly losing confidence in America's top drug cop.

Yesterday, 13 Democrats and 9 Republicans on the House Oversight Committee voted to issue a statement of "no confidence" in the ability of Michele Leonhart, the head of the Drug Enforcement Administration, to carry out the duties of her job. The statement followed a day of withering criticism from lawmakers during Leonhart's testimony about a scandal involving DEA agents who attended lavish drug cartel-funded "sex parties"in Colombia.

Today, the White House declined to offer a vote of confidence in Leonhart. According to the Associated Press, White House spokesman Josh Earnest "was asked repeatedly whether Obama still has faith in DEA chief Michele Leonhart, but declined to answer directly." Instead, he said that Obama is concerned by "troubling details" about the Colombia scandal and the DEA's response to it.

Plenty of federal agencies suffer ethical lapses that draw Congressional scrutiny -- most notably, the Secret Service in recent months. But the...