By Molly Ivins Fort Worth Star-Telegram Salt Lake Tribune AUSTIN, Texas - As one on the liberal side of the chorus of moaners about the decline of civility in politics, I feel a certain responsibility when earnest, spaniel-eyed conservatives like David Brooks peer at us hopefully and say, ''Well, yes, there was certainly a lot of misinformation about WMD before the war in Iraq, but . . . you don't think they, he, actually lied, do you?'' Draw I deep the breath of patience. I factor in the long and awful history of politics and truth, add the immutable nature...