For a quarter of a century Rhona Graff ran point at Trump Tower and was his trusted gatekeeper. So when she took the stand under subpoena on Friday in former President Donald Trump’s criminal hush money trial — it was significant. Tristan Snell, who was a former assistant attorney general for the state of New York and helped bring a $25 million dollar settlement from Trump University, believes Graff is a game-changer because she is such a longstanding player in Trump world. Want more breaking political news? Click for the latest headlines at Raw Story. “Trump exec [assistant] Rhona Graff is su…