The 3-day program really spans four days, because it begins on the day of arrival with an evening opening cocktail reception.

FORBES: Barbecue University Part 2: Three Delicious Days Of Grilling

"I didn't really notice it until about four days ago when I felt a little bit of pain in my chest, and I thought I had to check it out, " he said.

CNN: Bill Clinton, fresh out of hospital, eager to go back to work

These days, it's really only active in three or four districts.

NPR: Anti-West Riots, Resurgent Taliban Roil Afghanistan

As individuals, we have trouble distinguishing between anecdotes: "My neighbor took zinc for her cold and she said it really helped, " and data: Most colds last four days, so you could smoke yak-dung cigarettes on day three and feel better on day four.

CNN: Herbal remedies need real scrutiny