Will XM (NASDAQ:XMSR) and Sirius (NASDAQ:SIRI) finally be allowed to wed? Is there smooth sailing ahead for DryShips (NASDAQ:DRYS)? Will TASER (NASDAQ:TASR) parties leave investors in a festive mood? In this installment of "Fool Video," Motley Fool Online Managing Editor LouAnn DiCosmo talks about some stories on the Fool Radar.