Depends on how you write it in your own words. If you just changed a few words... yea it's stealing content but there is not penalty to it anymore. Duplicated content doesn't get penalized anymore.
You can do whatever you feel like but read the whole news and blend it into your own form and then see the magic. Word should be yours and free flow
Do a quick wiki search on plagiarism, and you will find your answer: <http://en.wikipedia.org/wiki/Plagiarism> Simply put, quote and reference properly, and you are fine.