A couple weeks ago, XM and Sirius announced that they are merging. Tomorrow, a House Subcommittee will hold a hearing on "The Future of Radio", and a discussion of the XM-Sirius merger is on the agenda.

Check our website tomorrow to read Common Cause's testimony (here's a hint: we think media monopolies generally aren't a good idea). In the meantime, tell us what you think. Will the merger be good for consumers? Bad for media? Inquiring minds want to know.