If you are finding too much information, your topic may be too broad.
If you are not finding enough information, your topic may be too narrow. Consider broadening it by one of the following:
Exploring related issues
Comparing or contrasting the topic with another topic
Expanding the:
Time period covered
Population considered
Geographic area discussed
Choosing an alternative topic that is not so recent -- it may not be covered in books and journal articles yet
Choosing an alternative topic that is not so popular -- it may be covered in popular magazines and tabloids only
Are you not finding enough info or are you finding too much info and don't know what to choose. Here are some tips to help in these situations.