Sen. Tom Cotton (R-Ark.), whose letter to Iran caused some controversy last month, reacted on "Fox and Friends" to the latest extension of the deadline in the Iran nuclear negotiations.

Representatives from France, Russia and China reportedly left Switzerland overnight, since no deal was reached by yesterday's deadline.

Secretary of State John Kerry, along with his counterparts from Britain and Germany, stayed behind to continue working on a framework agreement with the Iranians. 

Critics, however, have hammered the administration for making too many concessions and appearing "desperate" to make a deal with Tehran.

Cotton reiterated that view today, arguing that in any negotiation you have to prove that you will walk away from the table.

The administration has touted progress toward a deal, but Cotton argued that the progress favors Iran, not American interests.

"This is just not the way you negotiate from strength. I don't know any Arkansan who has an ounce of common sense who would negotiate for a used car or to buy a home like this. You have to be willing to walk away from the table and reapply leverage on Iran," said Cotton, adding that Tehran will continue to demand concessions. 

Cotton also pointed out that White House Deputy National Security Adviser Ben Rhodes compared a deal with Iran to passing ObamaCare in the president's first term.

"This is probably the biggest thing President Obama will do in his second term on foreign policy. This is healthcare for us, just to put it in context," Rhodes reportedly said.

Cotton said that comment should give people a sense of "how badly" the administration wants to make a deal. 

He said Senate Republicans and many Democrats are insisting that a deal stop Iran from developing a nuclear weapon "not just today and tomorrow, but 10 and 15 years from now as well."