Luigi Diotaiuti opens Italian restaurant Aperto in Washington, D.C.

ANALYSIS/OPINION: There’s a bold new spot for power lunching in Northwest, and it’s fitting that celebrity chef Luigi Diotaiuti is there to be your guide. Mr. Diotaiuti, whose fortunate clients have included George Clooney, Hillary Clinton, Harrison Ford and John F. Kerry, has opened Aperto to be the companion piece to his other District Italian bistro,…