Could happen.

Warren: President. Booker: Veep. Sanders: Senate Majority Leader. Gabbard: Sec. of State. Harris: Attorney General. Hickenlooper: Defense. Yang: Treasury. Buttigieg, White House chief of staff. Inslee to Interior or EPA. Williamson: U.N. Ambassador: Moulton: Veterans Affairs. Bennett: Dept. of Education. Klobuchar: Agriculture. Castro: back to Housing and Urban Development. Swalwell, Ryan, Delaney and Messam play rock-paper-scissors for Transportation, Homeland Security, Labor and Energy. Gillibrand: Ambassador to Nauru, with apologies to Nauru. O'Rourke: U.S. Senator (TX).

Or not.