“Candace Owens and all these psychos didn’t come out of nowhere,” says the Israeli-American actress-producer Noa Tishby . “Antisemitic ideas of Jewish power and control, this notion of the global Jew who is suspect no matter what we do: There’s a long history of exploiting this. It’s just now disseminated at the speed of light through social media.” In the years since the Oct. 7, 2023, attacks in Israel and the subsequent wars in Gaza, Lebanon and Iran, the L.A.-based Tishby has emerged as a prominent online influencer attempting to counter rising antisemitic and anti-Zionist sentiment. Her brand of hasbara — the Israeli word for explaining the state and its actions to foreigners — is glamorous, conversational and message-disciplined.…