As it has for the past several sweeps periods, KETV is deploying anchors Rob McCartney and Julie Cornell on Sunday nights in an effort to boost ratings on what is one of the most-watched evenings of the week.What's new this year is that they're givng Rob and Julie the post-Monday Night Football newscast off. MNF ordinarily ends around 11:30, too late for the pair to go head-to-head with the other