Crossword Puzzle Trial ploy

Clue: Trial ploy

They preside over presidential impeachment trials (CHIEFJUSTICES with 13 letters)
Post-trial proceeding (APPEAL with 6 letters)
Trial-conducting org. (FDA with 3 letters)
Explosive trial, briefly (NTEST with 5 letters)
British trial sessions (ASSIZES with 7 letters)
Stock secretarial ploy #2 (SHESWITHACLIENT with 15 letters)
Big bomb trials (NTESTS with 6 letters)
Modern trial evidence, perhaps (DNA with 3 letters)
O.J. trial testifier (KATO with 4 letters)
Inventory reduction ploy (SALE with 4 letters)