Find out if your local station is owned by Sinclair Broadcast Group - a political project I find to be modeled after Fox News Corp.
https://en.wikipedia.org/wiki/Sinclair_Broadcast_Group
There's a link in the first section of that article to an article about Nexstar Media Group. Between the two, they own upwards of 80% of all 'local' stations.
Local radio is in a similar situation.