By Contributing Columnist Donavan Hall I’m back this week with more reportage on the Long Island beer scene. For the whole story, you’ll have to listen to the podcast (links below), but I’ll give you a quick overview of what to expect. On today’s show, I take a trip to out to Big Z Beverage in Huntington (1675 East Jericho Tpk., 631-499-3479) and talk to the new owner, Mark Tuchman.  He took over the business a little over two months ago and he’s been reshaping his beer store into a craft beer destination. In the Long Island Beer Round-up, I…