Venezuela's president says foreign oil firms have stiffed his country for about $3 billion in taxes. Marketplace's Americas correspondent Dan Grech reports the tighter controls reflect shifts in Venezuela's foreign policy that have oil companies — and Washington — paying attention.

There was a line in Pfizer's press release this morning that bears mentioning. The president of Pfizer US Pharmaceuticals Pat Kelly said, in part: We want consumers to be aware of serious medical conditions. Host Kai Ryssdal asks Trudy Lieberman about how this awareness/demand cycle works — she's written about it in the August issue of the Columbia Journalism Review.

Rafael Palmeiro is heading back to work after serving a 10-day suspension for using steroids. Business of sports analyst David Carter talks to Cheryl Glaser about steroids and baseball.

When the Food and Drug Administration says it isn't. But what the FDA says may change soon, thanks to a proposal that will make it easier to relax food standards. Gretchen Cook has more.