A federal judge yesterday extended a ban he issued earlier this month on a regime fishing expedition aimed at proving colleges discriminate against white people from 17 state university systems to a large number of private colleges, including pretty much every four-year school in Massachusetts. US District Court Judge F. Dennis Saylor's initial ban, which covered the UMass system and public universities in 16 other states, barred the regime's rapidly shrinking Department of Education from demanding those school be required to turn over six years of detailed, individual data on applicants by the end of April.  In that ruling, Saylor said what's left of that department actually has a right to ask for the information, but not in a slap-dash, haphazard way that would force the schools to expend considerable amounts of time and money finding the information to turn over to a department the regime has committed to eliminating.…