The city of Chicago pursues a “two-faced” strategy of acknowledging an ugly history of police brutality in public while directing its lawyers to deny that legacy in court when victims sue, community leaders alleged in a court filing Thursday.The filing in U.S. District Court of the Northern District of Illinois on behalf of nearly 50 civic, business and religious leaders says the approach delays just payouts and costs the city tens of millions in legal fees that could otherwise go to social programs or reducing …