He is winding up the Democrats.
[The Republican president tweeted that his
antagonists should be "very happy"
about the idea given their
"open borders, open arms policy".
He said he was targeting so-called
sanctuary cities, which have policies
to aid undocumented immigrants.
But there was scepticism on the left
and right about Mr Trump's idea.]
https://www.bbc.co.uk/news/world-us-canada-47912105
Sign Of The Times.