accusations of racism, the organization is promising to make changes.The footage shared by a mother — who has now retained a lawyer, according to TMZ — on Instagram shows her young daughters being ignored by the Rosita character from “Sesame Street.” The Muppet appears to high-five the park visitors around them, but skipped over the two little girls of color. “I’m going to keep posting this, because this had me hot,” one of the girl’s mothers, posting under the Instagram handle @__jodiii__, wrote Saturday.The original video has racked up more than 550,000 views as of Tuesday morning.