Legal restrictions on Kosher meat and circumcision are just a few of the warning signs in Europe that anti-Semitism is rising around the world.
A congressional committee recently heard testimony about the issue.
"Unparalleled since the dark ages of the Second World War, Jewish communities on a global scale are facing verbal harassment, and sometimes violent attacks against synagogues, Jewish cultural sites, cemeteries, and individuals," New Jersey Rep. Chris Smith, Republican chairman of a House panel on global human rights, said at a hearing last Wednesday.
Katrina Lantos Swett, whose father was a Holocaust survivor, is chair of the U.S. Commission on International Religious Freedom.
Citing the Bible's Book of Esther, she testified that Iran's rulers are showing the same strain of anti-Semitism as their Persian ancestors.
Dr. Zuhdi Jasser, a Muslim member of the commission, said the United States should denounce Islamic states that promote anti-Semitism.
"Anyone who claims to be a Christian and does not do whatever he can to help the persecuted Jews has no right to claim to be a Christian," Christian author Eric Metaxas said.