On Oct. 14, Michelle Kosinski, an intrepid new NBC News correspondent who made her name this summer chasing Natalee Holloway’s ghost through Aruba, found herself up a creek without a paddle in the middle of the Today show. Only, she had a paddle. What she didn’t have was a creek. In what would have been a beautifully choreographed segment, Ms. Kosinski was reporting live about flooding in Wayne, N.J., in a canoe that was floating down a submerged suburban thoroughfare. “Eight days of rain, and some neighborhoods don’t even look like neighborhoods anymore,” she told Today viewers at the top...