Continuing with his election campaign events in Iowa, Jindal, 44, said that the Republican Senators in Washington D.C. Surrendered to the US President Barack Obama and ultimately helped him get approval for his Iran deal.
Two-term Governor of Louisiana, Jindal said Senate Republicans are the only ones who are worse negotiators than Obama.
"Every single Republican Senator in D.C. Except for Senator Tom Cotton supported the Corker framework. That's when Republicans surrendered to President Obama on the Iran deal.
"By endorsing the Corker-Cardin framework, the Senators allowed the deal to go ahead. Amazingly, only one Senator had the sense to oppose this. It was not any of the four Republican Senators running for President, it was not Ted Cruz, it was Tom Cotton.
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"He was the only one who had the guts to stand up and say no. The vote was 98-1, by the way," Jindal said.
"Here's the real problem - Republicans in Washington got conned by the President. The Iranians conned the President, and the President conned the Republicans in the Senate.
Jindal is currently on 14th place, out of the 15 Republican candidates in the RealClearPolitics average of presidential polls.
He wasn't in the Fox News primetime debate on August 6, and is unlikely to make the CNN primetime debate on September 16.