Sitting in her office of almost 30 years, Kris Carrico beams as she recounts age-old inspirations that still resonate in her life: the grit of her immigrant ancestors, the verve of World War II veterans, the words of a midcentury president.Like any good teacher, Carrico laces the memories with themes -- being respectful, taking risks and seizing opportunities.Carrico, an associate professor at Umpqua Community College, will retire at the end of this semester, ending three decades of teaching economics, political science and international relations. For Carrico, 55, watching the interactions between UCC's diverse students during her career has proven another …