The word of the day is resist.
What is there to resist?
What can you do to resist? If you live in the US, you can make weekly or daily calls to your representatives in government, at all levels; get involved in organizations that reflect your values; participate in protest marches; contribute financially to organizations that resist, or those that are adversely affected by policy changes; support an independent press; and remember to resist peacefully. Outside of the US, there are organizations and marches that you can join to resist global fascism, and you can still contribute financially if you are able to groups in the US like the ACLU, Planned Parenthood, and to independent American publications that are not afraid to truth-tell. Make your views known to your elected representatives. Resist bigotry and racism on every level, loudly but peacefully.
Sometimes I find the situation in the US so distressing that I have to take a physical break, and this often involves deep breathing and an actual effort to calm down.
Humour helps too.