Just stop watching the news - even the locals are bought and paid for as one youtube video demonstrates - 16 news anchors from various stations all repeating the same talking points about the Florida shooting using the same phrases. They're simply parroting the party line. If broadcast news is the only source of information in your life, it won't give you a fair and balanced point of view. For those who won't look around on the net to find a different perspective it's a matter of not wanting to get one.
That is a reflection of the current state of the local news market. A steady push to squeeze more money out of a dwindling number of staff.
I learned some interesting things when I became friends with someone that worked in the local news business as a producer and on-air personality. What I learned is that the off camera parts of your "local" news stations have seen drastic cuts in staff. Very little of your "local" news is produced locally. Instead the scripts are written and then distributed to all the stations owned by the company. The only part of the news that is local is the little segments on who got shot, what burned down, what did the local sports team do, etc. Even a lot of that is shared between different networks in a metro area.
It isn't just the off camera parts that are shared, companies are starting to share on-air staff as well. It is not uncommon for one set of anchors to be simulcast across different networks or one team to do multiple broadcasts in different timezones.
An interesting article on the topic here: http://www.journalism.org/2014/03/26/shared-operations-and-news-production/