Roger Wicker: “I want to make sure that we don't make the same mistake again by throwing those gains away.”

The $300 billion fund for the reconstruction and economic development of Iran — though not funded by U.S. taxpayers — would make Iran’s payoff under President Obama’s 2015 deal look like a pittance by comparison.

During every minute of dialogue, our commander in chief should keep in mind that his guest is a brutal, unelected and oppressive dictator.

I also oppose the U.S. lifting any sanctions on Iran, or unfreezing Iranian funds, in exchange for Iran’s mere agreement to negotiate for another 60 days.

Had the White House asked me for advice, I would have suggested the president not invite Xi Jinping to Washington for such a lavish welcome here in the United States, based on all of the troubling issues we have with President Xi and the…