To talk more about those opponents and what's happening on the campaign trail, we turn now to NPR's Cokie Roberts, who joins us most Mondays. Good morning, Cokie.
COKIE ROBERTS, BYLINE: Hi, Renee.
MONTAGNE: So let's - it looks like there's one less rival in the Republican contest, now that former Utah Governor Jon Huntsman is expected to drop out today and throw his support to Mitt Romney. Let's talk about the likely effect on the rest of the contenders.
Credit Courtesy of Joseph Thulin / Biomedical Resource Center, Medical College of Wisconsin
The standard rat cage used in the U.S. (right) has 140 square inches of floor space. One interpretation of the new guidelines says this cage wouldn't be big enough to hold a male rat, a female rat and their babies. Instead, labs would have to house the rat family in a larger cage, like the 210-square-inch one on the left.
Scientists do experiments with millions of rats and mice each year, to study everything from heart disease to cancer to diabetes. Recently, some new recommendations about how to house female lab rodents and their babies caused an uproar, with experts at major research institutions now saying they're unsure of what they'll have to do to keep their government funding.
Old drachma coins are displayed for sale at an outdoor market in Athens. If the international community concludes that Greece can't be saved as a member of the Eurozone it will have to revert to its old currency.
Austerity measures imposed by international lenders in exchange for billions in bailout loans have cut deeply into Greek pockets. If Greece defaults on its massive sovereign debt, it may be forced to leave the Eurozone.
Seventy-three temporary wooden shelters were built last month by the American Red Cross together with other nongovernmental organizations in the Cite Soleil neighborhood of Port-au-Prince. Some residents of the new settlement, Village Carvil, have already added living space with tarps.
Credit Marisa Penaloza / NPR
Charles Giiagliard, his wife and his five children live in this one-room shack in downtown Port-au-Prince. The Giiagliards are among half a million people who still live in the squalid tent camps seen all over Haiti's capital.
It was two years ago this month that a 7.0 earthquake struck Haiti, killing hundreds of thousands and leaving more than a million people homeless. Through U.S. charities, Americans donated more than $1.8 billion, but some in Haiti haven't seen much of that yet.
Charles Giiagliard, his wife and their five children live in a tiny one-room shack in downtown Port-au-Prince.