By Liz Garrigan, HEMISPHERES MAGAZINE “Oh, you’ve got to check out that hair behind you,” says Sondra Radvanovsky, over sea bass at L’Avenue. The 'do is indeed a marvel, but it’s not the only dramatic coiffure in this tony lunch spot, attractive both for its proximity to the Théâtre des Champs-Élysées — where Radvanovsky...









