Rand Paul

John Quincy Adams ranks with Jimmy Carter on the roster of ex-presidential redemption. Instead of completing a biography of his father, he let himself be elected to the House, where he spent nine terms in Whiggish opposition to the Democrats, supporting a national bank and a protective tariff and internal improvements.

Having a Congress with a more diverse educational and professional background would serve the country well. And given the budget challenges facing America today, we might benefit from a few more cold, calculating problem solvers, and fewer courtroom impresarios.