Why Have Deaths Spiked on the Delaware River?

CNBnewsnet

As the temperature neared 90 degrees earlier this month, Marquis \”Mack\” Richardson sought relief in the Delaware River with a swim from the rock-strewn banks in Bristol, Pa. Near the shore, the river depth was between 4 and 5 feet and the 22-year-old, who grew up swimming the river in Camden, navigated the water with ease.…