‘I have an opportunity to explain firsthand what racism means and what injustice means,’ said the Miami artist, who plans to respond to each piece of hate mail on her website. Huong reveals George Zimmerman lookalike in painting is really her assistant. She unveiled the mural at Florida state capitol and plans to take it on the road. The Miami artist behind the controversial “We Are All Trayvon Martin” mural says she won’t back down despite threats and volumes of hate mail. “This is not new to me,” Huong told the Daily News. Huong’s mural shows a George Zimmerman look-alike...