Allysia Finley, Wall St. Journal
'You can't beat up on Grandpa. You shouldn't beat up on Grandpa. But still, there comes a time when it's time." So declares Richard Mourdock, the Indiana treasurer who is trying to unseat 80-year-old Sen. Dick Lugar in the May 8 GOP primary.It's hard to find a better symbol of the "Washington establishment" than Mr. Lugar, who has lived in D.C. since he was first sworn into office in 1977. But the avuncular senator is beloved by many Hoosiers"”and for the very reason that tea partiers want to send him home: He's a statesman, not...