They write: 'Why are we searching for heroes when we have Gorbachev who opened up so many new opportunities for us and stood firm, no matter how much pressure he came under.

BBC: Mikhail Gorbachev denounces Putin's 'attack on rights'

And I know that even if we are applying all of our political capital to that issue, the Israeli people through their government, and the Palestinian people through the Palestinian Authority, as well as other Arab states, may say to themselves, we are not prepared to resolve this -- these issues -- no matter how much pressure the United States brings to bear.

WHITEHOUSE: Nuclear Security Summit: Presidential Press Conference