GOP senators oppose Biden's Iran deal

 The Hill:

Dozens of Republican Senators are vowing to block President Biden’s attempts to return the U.S. to the 2015 nuclear deal with Iran, underscoring how partisan divisions threaten the deal’s viability.

Sen. Ted Cruz (Texas), joined by 31 other Republican senators, wrote a letter to the president on Monday suggesting that the administration is required to submit to Congress agreements reached with Iran related to its nuclear program.

The letter goes on to raise the possibility that submission of documents related to a deal with Iran will trigger a Congressional review and “includes the possibility of Congress blocking implementation of the agreement.”

Former President Trump withdrew the U.S. from the international deal in 2018 and reimposed sanctions that were originally lifted under the terms of the deal. China, France, Germany, Russia, the United Kingdom and the European Union remained participants to the agreement.

Supporters of the Trump administration’s withdrawal from the deal argue a “maximum pressure” campaign of sanctions needs to be maintained until Iran is forced to abandon its nuclear ambitions and other aggressive behavior, such as its missile proliferation and support for terrorist proxies and attacks.
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Biden's problem with Iran is that he does not have the votes for a treaty with Iran that would bind the US to the deal when a new administration takes office.  That deal and the one Biden is trying to make also have no popular support. Iran knows that if Trump is reelected in 2024 the US will reimpose sanctions again.  Biden has not been able to make the case to the American voters that the deal is worthwhile either.