In the first 21 months of President Donald Trump's term he has made good on his pledge to crack down on immigration. Now, some public health officials are warning his policy poses a significant risk to the public health of all Americans because immigrants are now avoiding seeing the doctor. That, experts warn, sets the stage for outbreaks of communicable diseases like tuberculosis that would impact the entire population. WBGO's Bob Hennelly sat down with Dr. Mitchell Katz, CEO and President of