Here are some examples of search terms you can use to start out:
health policy SNAP program Americans with Disabilities Act
For data, check the Statistics page. You may also want to explore the Government, Policy, Legal, & Elections Guide for more ideas.
Provides abstracts and bibliographic citations for current research in social work, human services, and related areas such as social welfare, social policy, and community development. Does not contain full-text.
A demographic data visualization tool. Use Social Explorer's demographic data to examine trends, compare variables and time periods, and create reports, neighborhood profiles, and multivariable maps.
Prominent U.S. papers like the New York Times and the Wall Street Journal. It's also a good place to look for Star Tribune articles, with archives from 1986. Use the advanced search tab to limit to particular titles or dates.