This is a list of guides created by LexisNexis that includes bibliographies on current even research available from the LexisNexis database. Go to http://lexisnexis.libguides.com/ to see a list of all the guides. The following links go to a few of the guides:
One of the sources for opposing viewpoints & current events is the President's Weekly Address.
Although this blog is not currenlty updated, there is some good information on certain topics that you may find useful.