Arm yourself with information. One reason why I despise Republicans is because of the atmosphere of Hate, Racism, and In-Equality they create. Republicans run on a platform of fear. During the 2004 and 2006 election they got everyone riled up against Gay Rights. It was so crazy for me as a Gay Male to see so much hatred towards Gays during those election years.
Now it's staring all over again with the Immigration Debate. They preach so much fear that before you know it, you have entire populations of Republicans in the south scared and hating Hispanics.
Here is a good example of the fruits of the Republican Labor.
Rotary Club Rejects Hispanic Business Women for being against city laws meant to chase away illegal immigrants and anyone who speaks languages other than English.
Read About It Here