And he described any would-be nuclear deal as only "part of a comprehensive process, " suggesting Iran was still holding to its earlier demands of a broader deal also addressing security issues.

NPR: Iran Nuke Talks Open, EU Asks Tehran To Compromise

Now, it is a twenty-first century hub for addressing human security issues at the heart of a united Europe.

UN: Secretary-General

Or you can decide to be all in, and to come at the summit level and help shape the agenda, and help transform this institution, we hope, into the premier institution in Asia for addressing diplomatic security and other issues in this region.

WHITEHOUSE: Press Briefing