Losing it would imperil those ratings, and reduce MBIA's ability to guarantee debt.
When they perform too many autopsies, they risk making mistakes and even losing their accreditation, which can imperil their credibility.
Democrats are outperforming in special elections -- and that could "gravely imperil the Republican majority". Democrats are playing the blame game after losing two special elections for Congress on Tuesday night, but at least one analyst believes there's plenty of good news for the party.
Beyond saddling patients with second-choice treatments, additional reasons to worry drug samples imperil patient safety include lost opportunities for pharmacists to educate patients about proper medication usage or to oversee proper storage and post-expiry disposal of medications.
The government's plans to introduce gay marriage by 2014 is being dubbed the prime minister's "clause IV moment", amid reports that Conservative associations are losing members in droves and claims from MPs that David Cameron is imperilling "the entire political credibility" of the Tory party.
The likelihood of Illinois losing a seat in Congress and the need to acknowledge booming Hispanic growth, may imperil an existing black Congressional seat in the city.
All this, it is feared, will dent the profits of big oil and mining firms, stoke inflation and imperil the West's access to resources that it needs just as much as China does.Diplomats and pundits, for their part, fear that the West is "losing" Africa and other resource-rich regions.
Analysts estimate the volcanic eruption has already cost airlines $1 billion in lost revenue and could imperil survival of some of the smaller ones.
It had been a decade since a visitor won in December in Foxborough, but that New England lost on Sunday night only imperils its chances of hosting a series of playoff games, not of marching through the A.F.C.
Without certain waivers, such moves could imperil the company's capital position by causing it to lose billions of dollars in tax benefits.
But non-accredited colleges lose eligibility for state funding and federal financial aid and imperil the ability of students to transfer credits.
