Until recently, Jema Kellum had never danced salsa. She was more into Reba McEntire and line dancing at the local VFW in Dallas, a northwestern exurb of Atlanta. But then something changed. She went ...

Performances in N.Y.C. His “Baile Inolvidable” has sparked a surge of interest in salsa dancing and brought in a younger generation. “It’s been positively contagious,” a teacher said. Jodi ...