There's nothing worse than a career politician, one who won't leave his/her seat in politics -- specifically the US Congress -- for the institution that he/she has fought so long to make better, he/she has become the very problem he/she fought to change.
Many of these quotes were obtained by someone else doing the work but I found this quite interesting --
How many have urged that Iraq is a threat and when something is done about it, the rats quickly left the sinking ship.
There's more...
Go here for the MovableType entry.