Predictably, affluent liberals who preach open borders while living in gated communities have created a humanitarian crisis. On Tuesday morning, hundreds of immigrants from Africa and elsewhere descended on New York City Hall to seek redress of grievances, including what they plausibly regarded as unfulfilled pledges pertaining to quality of life. “They all are saying that this is not what they were expecting,” CBS News New York’s John Dias said in a live report on the scene of the protest. Indeed, President Joe Biden’s border invasion has inundated major urban centers like New York City with …