The Fight for $15 labor movement has a home in Atlanta. Today, a veteran home-care provider explains why she has joined fast-food workers and other low-wage earners in the fight for a $15 hourly pay rate. A companion essay says a Georgia wage increase to $10.10 an hour, phased in over three years, would boost the state’s economy. The third column is a compilation of comments from observers who say a minimum pay hike would hurt the overall economy.