All of the PBS TV stations in the state of New Jersey may go off the air entirely early next year. The New Jersey network's governing authority meets on Wednesday to consider how to survive – or sell. Kept alive by a subsidy by state taxpayers that is scheduled to end shortly, one option on the table is a merger with New York City's WNET and/or Philadelphia's WHYY. This news comes as KCET in Los Angeles prepares to drop PBS programming in three weeks in favor of an independent public TV schedule that starts next month…….