Valerie Green-Thomas sees them every day in her classes at the Bronx middle school where she is a special education teacher. Kids hungry, anxious, living in the dark because the electricity in their homes has been turned off. “I really wanted to come to this country, but I am so disappointed,” she said in her Jamaican accent. “To realize that the dream is not the dream.”[snip] A succession of speakers, including American Federation of Teachers President Randi Weingarten and Labor Secretary Hilda L. Solis, offered support. They warmed up the crowd for Sharpton, whose raspy voice rang out, “No justice?...