Greta Thunberg was accused by Israeli officials of being a “terror supporter” Friday after posting pro-Palestinian messages — initially featuring a toy octopus, a known antisemitic trope. The 20-year-old eco-warrior posted a photo of her holding a “Stand with Gaza” sign alongside three friends — one holding a “Free Palestine” sign — while calling a strike “in solidarity with Palestine and Gaza.” With them was a toy octopus — a symbol often used in anti-Jewish propaganda since being used in a Nazi-era cartoon. The Time “Person of the Year” honoree later deleted the photo, replacing it with an almost identical...