By Evan Dawson, Managing Editor Last Thursday, a grassroots group went to Albany to ask state leaders to prevent hydrofracking from coming to New York state. Many of the marchers were professionals in the Finger Lakes wine industry, which tends to view fracking as a serious threat. Winemakers and winery owners tell me there will be many more similar demonstrations, but they're not yet satisfied with the response from the wine industry. Here are some big questions regarding fracking. How severe could the environmental problems be? There's no way to know, but the rhetoric can be strong. Long-time New York…