MSNBC would gain back some viewers but there are 5 of other stations out there that supply the same all liberal view on a more sane basis.
Somebody really wants a hot news channel they need to do a conservative one because they would be the only one being all conservative.
Although I think half the time Glen Beck is losing it, "The Blaze" does real reporting (as far as I can tell) and might be worth your while to check it out.