WASHINGTON - The political appointee President Donald Trump installed last week to investigate waste, fraud and abuse at the Transportation Department is the same official in charge of one of the agency's key divisions.That means Howard "Skip" Elliott is now running an office charged with investigating his own actions.Elliott serves simultaneously as the Transportation Department's inspector general and head of the department's pipeline and hazardous materials agency, whose mission includes enforcement of safety regulations on nearly 1 million daily shipments of gas, oil and other dangerous...…WASHINGTON - The political appointee President Donald Trump installed last week to investigate waste, fraud and abuse at the Transportation Department is the same official in charge of one of the agency's key divisions.That means Howard "Skip" Elliott is now running an office charged with investigating his own actions.Elliott serves simultaneously as the Transportation Department's inspector general and head of the department's pipeline and hazardous materials agency, whose mission includes enforcement of safety regulations on nearly 1 million daily shipments of gas, oil and other dangerous...WW…