Subways turn to riverways amid pre-Elsa rain; social media videos abound

NEW YORK --- As heavy rain swept through the tri-state area, subway platforms -- and in some cases, even the sidewalks and steps leading to them -- flooded, creating a dangerous headache for commuters. And the worst is likely still yet-to-come, with Tropical Storm Elsa headed up the coast. Pre-Elsa effects: Transit delays, road closures [...]