When I first saw the word politicaster I thought it was a word for someone who does running commentary on political events. You'd have your play-by-play politicaster and your color man.

"Not a cloud in the ceiling, Bob, here at the first debate of the presidential series between Obama and McCain. The contestants are both warming up in their respective bullpens."

"That's right, Jim. This will be the first forf these two, the winners of their respective leagues. Obama has a 6-5 record and McCain is 9-2."

.
.
.