Staff Writer Michael A. Lindenberger had a front-page story this morning about the harrowing ride that some DART passengers had after Thursday's parade for the Dallas Mavericks. The northbound train, packed with people going home from the parade, got stuck for almost an hour in the tunnel near Cityplace. No one ever told the passengers what was going on. "People were hitting the little button to talk to the conductor," one passenger told WFAA-TV (Channel 8). "No information was coming back whatsoever. Nobody was talking to us." He added that when he tried to use an emergency phone to reach...