Ia mendesak Ahmadinejad menerima tawaran lima anggota tetap Dewan Keamanan PBB serta Jerman untuk menghentikan pengayaan uraniumnya dan memulai negosiasi dengan mereka berkaitan dengan program nuklirnya.
He urged Ahmadinejad to accept an offer by the permanent five members of the U.N. Security Council, as well as Germany, to give up uranium enrichment and start negotiations with them over its nuclear program.