RICHMOND, Va. -- A group of local entrepreneurs have started to sell an old-time drink with a modern-day twist: a tinge of THC. The Haymaker Collective recently launched Switchel, a riff on a North American drink with the same name that dates back hundreds of years.Haymakers recipe features traditional ingredients like honey, ginger, lemon and apple cider vinegar, but also adds hemp extracts to the mix. Each can has 2 milligrams of THC as well a…