XM-Sirius Deal: Inching Closer, Or Falling Apart?

[Commentary] So, is the XM-Sirius merger going to happen or not? The Motley Fool suggests that Sirius should walk away from its merger deal with XM rather than accept additional concessions posed by the Federal Communications Commission. Kharif has the opposite view arguing that 1) the satellite radio companies have already come too far to back out of the merger now, and 2) the additional concessions the companies have been asked to make aren't as serious as they appear.