A CNN panel erupted into a bitter argument over immigration enforcement after discussing the death of a 20-year-old Haitian student whose family believes he became deeply distressed after losing Temporary Protected Status and being fitted with an ankle monitor by federal immigration authorities.The confrontation unfolded on “CNN NewsNight” as host Abby Phillip discussed the death of Pierre Damas Bel, who was struck and killed by a tractor-trailer after walking into traffic on Interstate 70 near Springfield, Ohio, on Aug. 31.