"They understand that these systems don't have the capability to compromise the Russian strategic deterrent.

VOA: standard.2010.03.26

Still, the weakening sovereign outlook isn't necessarily a deterrent for some emerging-market investors.

WSJ: Investors Snap Up Eastern Europe Debt

Mr. Rendell said he spoke to her at a dinner last year and suggested age shouldn't be a deterrent.

WSJ: Clinton Exits State Post in Strong Position

But valuation concerns mightn't prove a deterrent as investors chase distributions and growth that have yielded far more than other investment options.

WSJ: Rise of Energy Master Limited Partnerships Has Some Concerned