Amtrak officials still aren’t sure exactly what caused the electrical failure that stalled commuter trains all over the northeast on Thursday, but local and state officials say it must not happen again. In light of efforts by Congress to cut funding for Amtrak, which owns most of the rail track around New York and New Jersey, some officials are calling for the New Jersey Transit Authority to build its own line, according to The New York Times. http://www.nytimes.com/2006/05/26/nyregion/26amtrak.html