Rep. Sam Liccardo says Trump and Xi may get an AI hotline before either side has agreed on the red lines: "I'm not optimistic that there's gonna be much that comes out of this meeting, other than maybe some vague commitments around red phones. What we need to work on is drawing the red lines so that we don't need the red phones." "We need to know the Chinese are also implementing safety regulation, particularly given that open weight Chinese models are dominating the market. We've had more…