This database focuses specifically on political science:

Worldwide Political Science Abstracts
(via Cambridge Scientific Abstracts)

Citations and abstracts to political science literature, 1975 to present.

These databases cover politics, law, and public affairs:

CQ Researcher

CQ Researcher provides overviews and analyses of current issues.

Legal Periodicals Full Text
(via WilsonWeb)

Citations to articles from legal periodicals and law books.

Social Services Abstracts
(via Cambridge Scientific Abstracts)

Citations and abstracts of articles covering topics in social work, human services, and related areas.

Homeland Security Digital Library

The Homeland Security Digital Library (HSDL) is the nation's premier collection of documents relating to homeland security policy, strategy, and organizational management. The HSDL supports federal, state, and local analysis and decision-making needs, and assists academics of all disciplines in homeland defense and security related research.

These databases cover the alternative and ethnic press:

Alt-Press Watch

Newspapers, magazines, and journals of the alternative and independent press.

Ethnic NewsWatch

Newspapers, magazines, and journals of the ethnic, minority, and native press.

Institute for War & Peace Reporting

The mission of the Institute for War and Peace Reporting is to build peace and democracy through free and fair media. Use their website to find fulltext articles written by local reporters around the world.

These general databases cover all subjects, including politics:

ProQuest

Full-text articles, citations and abstracts covering all subjects.

Wilson OmniFile Fulltext

Full-text articles, citations and abstracts covering all subjects.

These two databases have full text newspaper articles:

LexisNexis Academic

Hundreds of regional, national, and international newspapers; business publications, and much more.

ProQuest Newspapers

Nine national newspapers including the Los Angeles Times and Wall Street Journal.

The following databases provide access to electronic journals. You can either browse journals in your subject area, or search for specific articles using keywords:

Annual Reviews

Full-text articles in the biomedical sciences, physical sciences, and social sciences.

EBSCOhost EJS

Full-text electronic journal collection (of selected journals the library subscribes to). To obtain a list of available journals dealing specifically with politics, under the heading “Browse Journals,” select “By Subject,” and then scroll down the list to find the heading “Political Science.” Alternatively, you can search for specific articles on your topic using keywords under the “Find Article” heading.

JSTOR

Full text archival issues of over 120 journals in the arts and sciences. To obtain a list of available journals dealing specifically with politics, select “Browse,” and then select “Political Science.” Alternatively, you can search for specific articles on your topic using keywords under the “Search” heading.

Project Muse

Over 100 full-text electronic journals in the humanities and social sciences. To obtain a list of available journals dealing specifically with politics, select "Journals," and then select "View Journals by Subject." Choose Politics and Policy Studies." Aternatively, you can search for specific articles on your topic using keywords under the “Search” heading.