"....Joseph Decunha, a 20-year-old physics student at McGill University in Montreal, was also turned back at the Lacolle crossing between Quebec and New York state after being asked specifically if he, his partner and a friend supported or opposed Trump...."


This is anecdotal information, an I am surprised this is being relayed here.

I generally get asked ridiculous questions returning to Canada (mostly concerned that I may be importing contraband socks in excess of the allowable limit...), and get treated with nothing but respect entering the USA.

In all seriousness, I cannot imagine a US Border guard being political (which this appears to be)