Subcontractors say they’re owed millions, face financial ruin, after helping build Obama Presidential Center

CHICAGO — The Obama Presidential Center was billed as a lasting legacy to former President Barack Obama, and its construction was touted as an ambitious model built with aggressive goals for minority-owned and local businesses. But now, some of the very subcontractors who helped build the 19.3-acre campus on Chicago’s South Side say they are facing financial ruin as they race to recover millions of dollars they claim remain unpaid ahead of the center's grand opening Friday. Overall construction