Well, glory be. I sure hope you're right.
As to whether Keifer is a a liberal or not, no idea. But I do know for a fact that Joel Surnow and Robert Cochran, who created the show and now are the producers, are die-hard conservative Republicans. Also, Penny Johnson Gerald, who played Sherry Palmer, has since switched her party affiliation from Democrat to Republican and she said it is all because of the show.
Also, I haven't seen a single member of the cast coming out and saying anything negative about Bush.
'COMMANDER-IN-CHIEF' [Donald] SUTHERLAND: BUSH WILL DESTROY OUR LIVES