A federal judge declined to dismiss a claim last week that Chicago police lacked probable cause to arrest a man for allegedly assaulting his neighbor after the neighbor used a snowblower to blow snow over his back fence.Referring to the neighbors’ history as “reminiscent of Clark Griswold and his cohorts in National Lampoon’s Christmas Vacation,” U.S. District Judge Virginia M. Kendall wrote the police report filed after the incident indicates neighbor William Hosty alleged plaintiff David Dewar …