Ambassadors Clubhouse, the North Indian newcomer from London’s JKS Restaurants that has become one of the toughest reservations in NoMad since opening in February, was fully claimed for the evening of April 30. Days before Mother’s Day, Marie Claire and Reshma Saujani’s nonprofit Moms First took over the two-story space for the second annual Power Moms dinner, honoring nine women—all featured in Marie Claire ’s Motherhood Issue —whose influence reaches from runways and Olympic podiums to statehouses and the nightly standoff over bedtime. Samantha Bee hosted, and began by establishing that every woman being honored was too old to date Leonardo DiCaprio. The room agreed this was a credential. In her opening remarks, Marie Claire editor-in-chief Nikki Ogunnaike crystallized the idea that inspired the Power Moms franchise in the first place: “You cannot tell the story of progress without telling the stories of mothers.” Motherhood, she said, “is not a footnote in a woman’s life.…