What exactly is Semitism so I can tell if I have anti Semitism?
Here it is, right in the Federal Law books.
Its incitement against Israel or vilification of Zionism.
http://uscode.house.gov/view.xhtml?req=granuleid:USC-prelim-title22-section2731&num=0&edition=prelim
22 USC 2731: Monitoring and combating anti-Semitism
Text contains those laws in effect on January 18, 2019
From Title 22-FOREIGN RELATIONS AND INTERCOURSE
CHAPTER 38-DEPARTMENT OF STATE
Findings
Pub. L. 108–332, §2, Oct. 16, 2004, 118 Stat. 1282 , provided that:
'''"Congress makes the following findings:
"(10) Anti-Semitism has at times taken the form of vilification of Zionism, the Jewish national movement, and incitement against Israel."'''
Bewbs!