My degree is in Journalism/PR, but that's not what I do for a living.
The different career paths vary widely in pay. Newspapers/radio/TV=low pay. Starting pay is very low. Advertising/PR pays somewhat better.
It's a career you have to love, I think. I believe most media has a liberal bias (which they don't even recognize). They want to "help" you understand the implications of the actual news events, and that's where they go astray.
I agree with PretendHer that the PR field can be exciting, but you better believe in the product/service/company you are working for. If you don't, it can be very unsatisfying when your job requires you to do things you are personally opposed to. An extreme example to illustrate the point would be having to represent Packard Bell as the best computer you could buy, when you know that just wouldn't be the case. That doesn't happen all the time, of course.
But the degree absolutely helped me in my non-Journalism job, though. On my performance reviews at work, it's frequently noted how well I can communicate with people at any level in the company from top to bottom. Good communications skills are very important if you have to work with other people regularly or in teams.