The Upside to Having an Old President

The two elderly front-runners for the Democratic nomination share an improbable trait: Despite their advancing years, both men seem to have an energy level that I could not achieve if I spent all morning chugging coffee and gobbling amphetamines. That level of energy is, as generations of political observers have reminded us, what it takes to win the presidency. Whether it is a sustainable and permanent condition is another matter. Actuarial tables say that we can expect about nine more years out of Joe Biden and eight more years out...