Kitchen Sink, a much-celebrated quarterly art and culture magazine based in Oakland, is in serious danger of folding after only a four-year run. “It was always a labor of love, existing month to month, so when its distributor, the San Francisco-based Independent Press Association, folded several weeks ago, ‘it just compounded the problems we were already having,’ said Publisher Carla Costa.” The IPA’s collapse has left several publications in the lurch, and everyone is scrambling for new options.