With Apple (Nasdaq: AAPL) dominating the portable media player market, is it time for Microsoft (Nasdaq: MSFT) to kill the Zune? What can investors learn from Berkshire Hathaway's (NYSE: BRK-B) and Google's (Nasdaq: GOOG) investments in China? Will Bratz survive a courtroom brawl with Barbie maker Mattel (Nasdaq: MAT)? In this installment of "Fool Video," Motley Fool Online Managing Editor LouAnn DiCosmo talks about some stories on the Fool radar.

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