CBS’ “Face the Nation” — Sens. Mark Warner, D-Va., and Bernie Sanders, I-Vt.; Rep. Brian Mast, R-Fla. “Fox News Sunday” — Sens. John Fetterman, D-Pa., and Lindsey Graham, R-S.C.

But there are also huge benefits in standing even in wards that we are not likely to win for a very long time yet (if ever). One set of benefits comes from the opportunity to practice, train and learn ...