By Dan Williams JERUSALEM (Reuters) – As a TV star, Yair Lapid’s weekly commentary was entitled “Being Israeli” – a rhapsody about the middle-class, politically centrist ranks that he saw holding together a fractious country, with him as their tribune. As interim prime minister, the still-chiseled but now gray-haired Lapid, who will welcome U.S. President Joe Biden on his visit to Israel next month, may have to reach out more widely to maintain a stable government. A decade in public service at the head of the Yesh Atid (“There is a Future”) party which he founded and in which he has never fac…