After a three-year hiatus, the largest aerial spectacle in Southern Arizona returns March 20 and 21 to Davis-Monthan Air Force Base. Air show director Lt. Col. Tim Krauss has been working since last May to bring military and civilian aircraft from around the United States to participate in the free two-day event, whose theme is "Davis-Monthan: Tucson Pride, Air Force Power." "D-M and Tucson are rich with aviation history and our goal is to highlight the many achievements of the base and our Air Force that could not have been accomplished without the outstanding support of our local community," Krauss...