Legislative affairs director Marc Short will leave the job as early as this summer, lamenting to colleagues the “diminishing returns” of pushing President Trump’s agenda through the Republican-controlled Congress as the midterm elections approach, the Wall Street Journal reports.

When the Journal asked Short for comment, he replied: “There are so many leaks in this building.”

Marc Short, the White House director of legislative affairs, admitted to Politico that the Russia investigation was overwhelming his agenda.

Said Short: “There’s no doubt that keeping members focused on investigations detracts from our legislative agenda, detracts from what we’re trying to deliver for the American people.”

For members: Why Trump’s Legislative Agenda Is Essentially Dead