How can i get over my anxiety of being fired?

Jamie, it may be that the job you are in is just not a good fit for you or it may also be that the stress you feel at this job is comparable to the stress all people feel at this job and you simply don't handle it well. Anyway, if the anxiety and the stress you have is preexisting to this job then there's going to be a problem because working in a news room is a stressful job. Try to get another reporting job.