I’ve got some ideas for the final three clues, but I’m jiggered if I can work out why from the clues! All help gratefully received:
11a Ecstasy time at organised games (9) T.A.S...T
10d Press line in Washington upheaval, as exemplified by the storming of the Capitol (3,3) .../L.W
14d One squeezed into Dior creation (medium) (5) R.D.O (why would that be radio?!)