President Obama ordered that U.S. flags be flown at half-staff until Monday — a symbolic gesture of a nation in mourning. It's a tradition observed by countries around the world, one that began as early as the 17th century.
Here's something you haven't heard in years: The U.S. economy had a great week, with reports showing jobs being created in several sectors, new-home sales surging and factories humming. Oh, and unemployment is the lowest it's been since 2008.
That difference translates to about $550 a year, according to a new meta-analysis of studies evaluating the retail costs of food, grouped by healthfulness. It's chump change for middle-class eaters, but a big gap for low-income families. Researchers say that's a problem that can be solved.