There are many excellent resources available to help you educate yourself about Israel. Here are just a few to get you started:
Israel on Campus Coalition (ICC) http://www.israelcc.org/
Stand With Us http://www.standwithus.com/
American-Israeli Cooperative Enterprise (AICE) http://www.jewishvirtuallibrary.org/
Anti-Defamation League (ADL) http://www.adl.org/
American Israel Public Affairs Committee (AIPAC) http://www.aipac.org
American Jewish Committee (AJC) http://www.ajc.org
Consulate General of Israel http://israeliconsulatela.org
Jerusalem Post http://www.jpost.com/