During a report on rumors that ran through Papio-LaVista South High School, OPS-toady-to-be Doug Walker revealed on Tuesday's 10 p.m. that it's possible to have several different Instant Messenger windows open at the same time. Why doesn't this guy have his own technology show?In a rare episode of stupid banter, Tracy Madden then stunned Omaha by informing Walker that IM is "the way kids