Our weekly regional news roundup covered US Attorney Steven Dettelbach announcing he'll step down early next month; Kasich trending higher in New Hampshire; Josh Mandel beginning to fundraise for a possible Senate bid in 2018; a close call between a snow plow and an aircraft at Hopkins; the Nexus pipeline in Medina county; Heather Lennox being named partner in charge at Jones Day Cleveland's office; the Ohio Senate looking into medical marijuana; new guidelines for Ohio physicians on prescribing opiates; $3.5 million in state funds for Public Square renovations; the search for a new state Superintendent of Education; and the Hermit Club opening to the public.