How many times were the US and Iran on the verge of a deal?

While a peace agreement remains elusive on the 100th day since the US and Israel first launched strikes on Tehran on February 28, the US and Iran have appeared to come close to a deal on several occasions. The war began with Operation Epic Fury, the joint campaign waged by the United States and Israel against Iran at the end of February. Iran retaliated by attacking both Israel and US military assets in the Gulf. …