THEY TOOK NO CHANCES WHEN A JANITOR FOUND A WHITE SUBSTANCE ON THE PLAYGROUND HERE. THEY CALLED THE FIRE DEPARTMENT, THE POLICE DEPARTMENT, AN AMBULANCE CREW AND A MEDIC. AGAIN, AS THE DISTRICT ...

WASHINGTON — A formal lab test of the white substance found at the White House on Sunday has come back positive for cocaine, Secret Service spokesman Anthony Guglielmi said Wednesday.