CHICAGO (WBBM NEWSRADIO) -- Construction is to begin next month on the Obama Presidential Center unless a court challenge delays it. The group Protect Our Parks has asked a federal court to hold up the start of construction of the Obama Presidential Center in Jackson Park on Aug. 16. In the lawsuit filed in April, the group asked the court to review and enforce the federal laws designed to “to protect local historic sites, environmental impacts, impairment of dedicated public parkland, and related community natural resources.” According to Crain’s, the matter is back in court Tuesday. Protect Our Parks has...