Federal Reserve Chief Ben Bernanke has taken some heat for his handling of the Bear Stearns (NYSE: BSC) debacle. Should he consult Berkshire Hathaway (NYSE: BRK-A) (NYSE: BRK-B) Chairman Warren Buffett for some timeless investing advice? The Justice Department approved the Sirius (Nasdaq: SIRI)-XM (Nasdaq: XMSR) merger, but shares of Sirius have slipped anyway. Should investors be doing some serious selling? Meanwhile, XM is pairing up with QuickPlay Media to offer programming through Research In Motion's (Nasdaq: RIMM) BlackBerry. Will Apple (Nasdaq: AAPL) add satellite radio to its iPod playlist? Chris Hill looks at some of the top stories on the Fool radar.

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