NPR News

Since the 2008 presidential campaign, many Washington watchers have advocated for an Obama-Hillary Clinton ticket. New York Times columnist Bill Keller says swapping Biden for the popular Secretary of State is the best way for President Obama to ensure re-election.

Take the number 2. Put 15 zeroes behind it, as Space.com says:

2,000,000,000,000,000

Now, think about the news from this story at that website:

When you think of your orange juice in its infancy, you probably envision neat rows of leafy green citrus trees in Florida or California — Tropicana and other companies' have helped seal that image in our minds.

But the reality is that a lot of our orange juice comes from Brazil — about 14 percent, according to the U.S. Department of Agriculture.

Just before he left office this week, outgoing Mississippi Gov. Haley Barbour (R) issued more than 200 pardons or sentence reductions — including more than a dozen to persons convicted of murder, manslaughter or other death-related crimes. And that has sparked outrage and calls for changes in the law that gives the state's governor such authority.

The list of Barbour's executive orders in the last four days before his departure from office on Tuesday is posted here.

Rick Santorum, Newt Gingrich and Rick Perry all hope to derail Mitt Romney's front-runner status in the South Carolina primary. Former South Carolina Rep. Bob Inglis joins NPR's Ken Rudin for a preview of the Palmetto State primary.