At just 44 years old, T.W. Shannon is mounting his second bid for the Senate. For the second time, the Oklahoma Republican is running in a special election to fill the remainder of a six-year term being vacated prematurely by a GOP incumbent. This time, it's Sen. James Inhofe, 87, who was first elected in 1994 and is resigning from Congress at year’s end. So, what dragged Shannon, now chief executive officer of a community bank in Oklahoma City, out of political retirement since his first (and unsuccessful) campaign for Senate eight years ago? ... “My story is unique, and...