By LORETTA FULTON It’s not just Darryl Tippens or others with ties to Route 66 who have a “Route 66 problem.” That problem falls on the shoulders of people all over the world who suffer from self-centeredness, Tippens said as guest speaker for the August meeting of the Abilene Association of Congregations. Tippens, retired University Distinguished Scholar at Abilene Christian University, was