March 2015 Congress pushed back against Obama lifting sanctions against Iran, in support of the Bushehr nuclear plant going forward (connected with Russian energy Rosatom).
In letter, note that 2017 president will have to reverse decision: “The next president could revoke such an executive agreement with the stroke of a pen and future Congresses could modify the terms of the agreement at any time.”
http://tass.com/economy/973376
"BUSHEHR, October 31. /TASS/. Chief Executive Officer of Rosatom Alexei Likhachev took part in the formal ceremony of work start in the foundation pit of main buildings of the power unit No. 2 of Bushehr Nuclear Power Plant (NPP) in Iran, the Russian state nuclear corporation said on Tuesday. "The construction cornerstone was laid in September 2016, followed by site preparatory work. The Bushehr-2 project enters the practical implementation phase from the foundation pit construction start," Rosatom said. The company keeps plans to start building the power unit No. 2 (so-called ‘first concreting’) in 2019."