Categories Articles VA secretary David Shulkin’s chief of staff retires amid travel expense scandal Post author By crystalg Post date February 16, 2018 Business Insider Feedburner Tags amid, chief, David, Expense, retires, scandal, Secretary, Shulkin's, staff, Travel ← Google Killed its Popular ‘View Image’ Feature, and the Internet Isn’t Having It → Marvel’s ‘Black Panther’ Is More Than a Movie, It’s a Model for Mentorship