— Celebrations are underway throughout the country to commemorate the December 12, 1915, birth of Frank Sinatra, from Los Angeles to Chicago to New York and, just across the Hudson River, Sinatra’s birthplace of Hoboken, New Jersey. Here in Portland, Maine, the restaurant Crooners and Cocktails, which honors the music and mystique of Sinatra and his mid-century peers, plans a black-tie affair on December 12 with proceeds benefiting the Toys for Tots organization. To borrow the title of one of Sinatra’s …