The first ones I listen to are almost always from The Economist.
"From the Paper" is a short summary of the in print edition and "The World Next Week" takes a stab at guessing what issues will bubble to the top.
Here's the summary of "From the Paper" for this week:
April 12th 2008
Selections from The Economist
America's recession, a public-relations tip for China, malaria's breakthrough moment, and the Princess Diana inquiry
The World Next Week was obviously recorded before Obama's "bitter" comments as they don't even mention it. The dangers of the crystal ball! Still a good listen.
Their summary notes:
World leaders gather to discuss Iran, the Olympic Torch Relay continues and Gordon Brown visits Washington for talks with George Bush
Both podcasts are highly recommended for fellow commuters!