France on Wednesday unveiled a proposal for a 21-day ceasefire in Lebanon in UN diplomacy with the United States as the death toll mounted in deadly air strikes by Israel. Shortly after talks at the United Nations between Presidents Joe Biden and Emmanuel Macron, France outlined the proposal at an emergency Security Council session. French Foreign Minister Jean-Noel Barrot said that the two Western powers were proposing a “temporary ceasefire” of 21 days “to allow for negotiations.” “It is urgent that all actors engage resolutely on a path of de-escalation,” Barrot said. UN Secretary-General A…