(170307) -- NEW YORK, March 7, 2017 (Xinhua) -- Participants hold placards against the border wall building during a rally hosted by New York City Public Advocate Letitia James in New York, the United States, on March 7, 2017. Letitia James on Tuesday released a plan to use New York City's economic leverage to thwart U.S. President Donald Trump's efforts to build a wall along the U.S. southern border. (Xinhua/Wang Ying)more(170307) -- NEW YORK, March 7, 2017 (Xinhua) -- New York City Public Advocate Letitia James (front) speaks during a rally in New York, the United States, March 7, 2017. Letitia James on Tuesday released a plan to use New York City's economic leverage to thwart President Donald Trump's efforts to build a wall along the U.S Southern border. (Xinhua/Wang Ying)more