He had some balls- to ask Castellano for permission to whack them both. But surely a seasoned guy like him should have realised the dangerous game he was playing, if he really wanted to whack them he should have just done it off record.

Also, once he realised Paul wouldn’t okay the hit, wasn’t that just suicide going to the Gemini lounge with them. His suspicions were obviously aroused on the journey hence he wanted to get out the car.