Interesting points Pete. Although I think it’s very likely the actual hit men who tried to assassinate Vito were Purely Tattaglia soldiers. However I still think Barzini was the mastermind behind it. I think it’s very possible Sollozzo had no idea Barzini was manipulating Tattaglia and I think Barzini wanted it that way for obvious reasons. As for Roth “acting” like he was upset about Moe that’s very interesting and certainly possible knowing how clever he is. I still think he was indeed pissed off and it played at least a tiny part in him wanting to destroy Mike