Two sides of the dial tackle war Talk radio stations air opposing views By ALLAN TURNER Copyright 2003 Houston Chronicle It's hard to think of Montrose's somnolent, tree-lined Lovett Boulevard as a political war zone. But with the United States eyeball-to-eyeball with Iraq, the street has become Houston's ideological ground zero -- home to radio stations that have become broadcast bastions for the pacifist left and the hawkish right. Separated by less than a city block, KPFT-FM, a listener-supported champion of "progressive" causes, and KPRC-AM, a heavyweight of right-wing talk programming, have marshalled thousands for rallies and marches that aired...