The two men—the older one from glitzy Manhattan, the younger upstart from fashionably upmarket Brooklyn—have built formidable fanbases by championing diametrically opposed visions of America.
Washington now faces choices: proceed with the deal and adjust its conception of alliances in the region or succumb to legislative stagnation and reject or downgrade the deal.
While Washington claims Tehran desires an agreement, Iran insists no dialogue will take place without the lifting of sanctions and guarantees respecting its nuclear rights.