When do they start breaking windows?
Oo! Oo! Godwin's Law fulfillment! Thinly veiled reference to Kristallnacht!
If by "they" you are referring to Trump supporters, never. OTOH, if "they" means Trump-Haters, that started 11/09/2016.
When do they start arresting journalists?
Never
Who's going to the camps?
No one.
What political views will I be arrested for?
None.
Will my mixed race child be deemed unfit for public college?
No, but you can confirm that, if you like, with Trump's SecEd, Michelle Rhee
(hint, R-SF, she isn't of Euro-Ancestry).