Trump should say so about Jerusalem, but moving the embassy now would just be a distraction and another excuse for the Palestinians to stab, riot, and drive cars on sidewalks aimed at killing people. There's no need for symbolic gestures now. Wait until after the Palestinians do something else that demonstrates they don't want peace, and THEN move the embassy.
Meanwhile the 'intelligence' Trump did or did not pass to Russia proves once again what I've always said. A strong Israel in the ME saves American lives.