FORT LEE, Virginia, Sept. 10 -- The Defense Contract Management Agency issued the following news: By Tonya Johnson Cherry Wilcoxon's motto is, "Failure is not an option." As one of the few black females to serve as a comptroller for a Department of Defense agency, Wilcoxon she has learned throughout her career that opportunities go to those who do a good job. Wilcoxon is the Defense Contract Management Agency's Financial Business Operations executive director and comptroller. "In my role as  more