US involvement in Israel war with Iran inevitable

There are really only two options facing Donald Trump: either saying no to joining Israel in attacking Iran or start bombing. The only other possible option, but now seemingly vanishing fast, is to try one last diplomatic push as the bombs keep falling on Tehran. But Trump is a realist. He must know that diplomacy is now off the table because Ayatollah Ali Khamenei is resolved to fight Israel all the way. So the war option is really the only answer which is tragic but practical. I don't believe Trump will hold back now that the Israeli air force has cleared the way for a bombing run on the nuclear plants with America's Massive Ordnance Penetrator. But what will Russia do if Trump gives the go ahead? Russia and Iran are strategic partners. Iran is providing crucial armed drones to Russia for attacking Ukraine. Putin will feel obliged to support Iran. What will that mean? And China is not going to stay quiet. If China comes out on the side of Iran, this could turn out to be a mighty confrontation between the three big power rivals. All of this will have to be taken into account when Trump makes his final decision. The B-2s with a payload of Massive Ordnance Penetrators are waiting for the go.