Community radio KWMR is expanding its news coverage after a previous news program sunk under volunteer burnout. “News requires a huge amount of production time, and our West Marin Report was simply not sustainable,” station manager Amanda Eichstaedt said in a press release. A weekly program called Epicenter, originally designed to feature roundtable discussions about topics of interest to West Marin listeners, will now air each weekday from 5 to 5:30 p.m., hosted by Lyons…