The resources on this page will help you find your political articles for this class. Don't forget that you can look at all levels of news--national, or every level of local. You are looking for articles that relate to the United States and the articles have to be policy-oriented.
Most of the articles you will find by searching on Internet news sites. it's usually more efficient to search on a news source's website rather than trying to wade through a Google News results list. All major (and many local) news sources have websites. Try some of these as a starting point: