There is no “letting it stand” Its a recorded fact that Cruz voted for it. Google it and you will be able to read numerous accounts of his vote. Then Cruz gave some BS weak excuse that at least now he would have some say so in it. I’m sorry I’m putting my pom poms down for awhile.
You’re wrong:
On the Cloture Motion S.Amdt. 1140 to H.R. 1191 (Iran Nuclear Agreement Review Act of 2015)
https://www.opencongress.org/vote/2015/s/173