Can't wait for the libs in this thread to be crying in about a year, when a president Rubio or Cruz immediately tears this bad deal apart and starts being tough on the US' number one enemy, like it should be
Without international cooperation, all that expanded U.S. sanctions could achieve would be propaganda points for the hardliners on both sides, much like our current Cuban sanctions. Absent evidence of major Iranian violations of the agreement, there won't be a return to international sanctions.