PORTLAND, Ore. — President-elect Donald Trump has a strategy to tackle the homeless crisis at the national level. He pitched his plan during his campaign, but the question now is: will it happen? And if it does, how will it affect communities here in the Northwest? Trump says he wants to work with states to ban urban camping wherever possible and create large "tent cities" on inexpensive land where people could access doctors and social workers. Now that he's President-elect, his plan could be put into play in a matter of months, pushing aside housing-first policies for his treatment-first model....