you dont need to read every page of news paper because it is not possible. All what you have to do is read about the tope stories both national and international. give a bird's eye view to the inside story. remeber news portion of paper only gives you raw information about a topic. To build your openion you have to read about the openion of other intelectuals and for that matter you must read their openoins about top stories and current happenings. Read the editorial and openion section.
When it comes to vocabulary, yes, definitally news paper english is much different from course book so you have to put asside all assumption that you have good english. first of all read the article and underline difficult words than write there meaning and read again.for this purpose u can buy a dictionary or download from google play.

How to read the news article is also tricky. Most of the time writer talk about a problem in society or country. try to find out about what he/ she is writing then probably come causes and solutions than suggestions. Divide article in such kind of headings. it will make it more understandable

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