Mr. Gehry’s moment in Paris comes after his Dwight D. Eisenhower Memorial in Washington was approved last week, following a bruising five-year process in which Mr. Gehry’s design went through more than 15 committees and commissions and many adjustments. In Paris, after settling concerns about building in a park, he needed the approval of only one client, Bernard Arnault, chairman and chief executive of the luxury goods conglomerate LVMH, whose foundation owns the new building. hE5G!@1F