Start with:
LexisNexis Academic
More than 350 foreign and U.S. newspapers, plus magazines, newsletters, broadcast transcripts, company financial information, industry and market news, federal and state case law, law reviews, medical news and abstracts and state and country profiles.
Proquest Newspapers 
Christian Science Monitor
Los Angeles Times
New York Times
Wall Street Journal
Washington Post
Free Online Sources:
Print Newspapers in the JFKU Libraries <coming soon>
Abstracts:
Summaries of articles from national and regional newspapers.