The city of St. Louis and St. Louis County recently filed a lawsuit against the National Football League and all of its teams, claiming the league violated its own bylaws, and breached its own contractual commitments, when it approved the relocation of the Rams to Los Angeles. Allegations in the complaint include breach of contract, unjust enrichment, fraudulent misrepresentation and business interference.St. Louis claims that in approving the move, the NFL enriched itself at the expense of the community it left and …