(Reuters) – New York City on Wednesday opened an emergency tent shelter to alleviate some of the strain the city has felt recently from the steady stream of migrants who have arrived on buses sent by officials in Texas and other southern U.S. states. The Humanitarian Emergency Response and Relief Center located on Randall’s Island, east of Manhattan, will be the temporary home for 500 single migrant men who arrived in the city after their long journeys that began in Venezuela and other places south of the U.S. border. “The history of this country has always been tied to welcoming those who are…