Do you think with this narrative that Iran will suddenly quit their cat and mouse game? Tough choices will be made in the upcoming days. Time will show whether this goes a way my thought is to the contrary. Not everything is political posturing when lives are lost.
Iran is one piece in a larger security puzzle, with tradeoffs everywhere. Biden is balancing the need to fund Ukraine, whether and how much to fund Israel, general military readiness and Iran's current impact on US security. Then there's the fact that if he loses in November, much of his security policy will likely be undone, including his efforts against Iran.
National security has always been a political matter, but never quite like it is today. The divide was not straight left/right, and isolationism was a fringe position not taken seriously in the halls of power or by most people. It lacked the votes.
Iran will not stop their efforts until either the US withdraws from the region and lets Iran have their way with it, or their present regime falls. It doesn't necessarily follow that regime change in Iran is a good idea. Intermediate courses exist, regime change by force is a notoriously chancy proposition, and tough-guy stances can do more harm than good by alienating allies.
There is a reason the White House visibly ages its occupants. There are no easy answers to such questions. Something will happen, and soon. The denizens of the forum more conversant with the details on how US and allied pieces move, and ITK on current details, are in a better position to evaluate how broad the scope of what's coming is.
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