Libertine, an attention-grabbing bistro

An early contender for restaurant of the summer

RESTAURANTS • First Person

Last week, sipping my second Negroni (served over a single giant ice cube) in a leather booth at bustling new French bistro Libertine in the far West Village, I looked around the dining room and realized: not one person was on their phone. Everyone at Libertine was only at Libertine — not still-kind-of-at-work, emailing; or kin…