A pair of prominent hedge fund managers have taken opposing positions on the nutritional-supplement company Herbalife. Bill Ackman of Pershing Square Capital Management says the multilevel-marketing company is a pyramid scheme and a bad investment. He's shorting the stock. Dan Loeb of hedge fund Third Point says Herbalife is a good investment. He's taken an 8.2 percent stake in the company and is betting that its shares will rise. Melissa Block talks with David Kestenbaum of the Planet Money team.
Vice President Joe Biden wrapped up a week of White House meetings regarding gun violence and gun safety by meeting with a group from the video game industry — makers of games that have been criticized for glamorizing gun violence.
French President Francois Hollande announced on Friday that France has intervened militarily in the Saharan African nation of Mali, a former French colony, to stop any further advancement of Islamist extremist forces in the north of the country.