You get your information from the mainstream news from what it sounds like and that has been falsified if you look into it. The government has spent at least 1.6 billion on fake news.
http://www.washingtonpost.com/wp-dyn...021301897.html
Iran has no possibility of getting nukes for years. I am pretty sure the last I read it was 20 years till they could even have a nuke. You could also go by this. They keep saying they could have nukes and it never happens.
http://www.iranaffairs.com/iran_affa...s-x-years.html
Now if you think Christians don't have extremist you need to read more history. I don't have time to search for the thousands of ways people where killed for Christianity. You can read about people bombing abortion clinics in recent history if you don't want to look far back.
Here is just one guy since you mentioned gays.
http://www.queerty.com/news/god-made...pect-20070727/
All religions have extremist and the news is telling you that they have more when we have no actual proof of any of this being true.