 Stocks, meanwhile, closed virtually unchanged today. The Dow was up 36 points. The Nasdaq rose 53 points. This is NPR. Good evening. With this main public news, I'm Patti White. Conservation groups say they're waiting on the federal government to finalize long-delayed ship speed limits, which are aimed at preventing collisions with critically endangered North Atlantic right whales. But industry groups are now asking Congress for a five-year delay. Nicola Grisco reports.