| Gangnam Style" rapper Psy's nationality |
| Activist who helped found the International Campaign to Ban Landmines |
| All-star cast problems |
| Pilot's problem |
| National who lives overseas, informally |
| Cause of stomach problems, sometimes |
| Dish dubbed "the greatest recipe to originate from the Americas in 50 years" by the International Society of Epicures in 1953 |
| Inflamed eye problem |
| Tummy problem |
| International syndicate |
| Tooth or tummy problem |
| Am I the problem? |
| Mrs. Malaprop's problem |
| Bureaucratic problem |
| Handle problems |
| Ad ___ (National Space Society's magazine) |
| Anonymous disclosure, and a problem at the end of each starred answer |
| Ad ___ (National Space Society magazine) |
| ___ all (email option sometimes causing office problems) |
| Acadia National Park locale |
| Jet ___ (problem when changing time zones) |
| She's a problem that needs to be solved, in song |
| Printing problems |
| Admonition against trying algebra problems after imbibing? |
| Figures I'd have this problem! |
| You're telling me your problems why? |
| A doctor may have a problem if she ___ |
| London's international airport |
| National capital since 1923 |
| Org. often blamed for exacerbating global financial problems |