Providing important lessons on some subtle aspects of summary judgment procedure, the 7th U.S. Circuit Court of Appeals reversed a ruling against the National Retirement Fund, a hotel workers’ pension plan, on NRF’s claim against Hotel 71 Mezz Lender LLC and Oaktree Capital Management for $2.1 million in withdrawal liability under the Multi-employer Pension Plan Amendments Act.The district judge issued the summary judgment against NRF after denying the pension plan’s motion for summary judgment against …