The Italian and Italian-American influence on Long Island wine country is strong. Among the thirty-plus East End producers there are ones named Pellegrini, Pugliese, Castello di Borghese and Diliberto – and others that are owned by people of Italian heritage, many of whom grew up making wine with their families. Medolla Vineyards, owned by John and Denise Medolla, has recently joined the fray with its first release, this 2002 Merlot. Medolla Vineyards operates under a tenant winery license at Lenz Winery. Basically, Lenz Winery serves as a host winery and Medolla uses the facilities when Lenz isn’t using them. Lenz…