Jared Polis, a Democratic congressman from Boulder, says Judaism has had a big influence on his political beliefs.
A Dyke March collective member said the flags "made people feel unsafe," and that the march was "anti-Zionist" and "pro-Palestinian."
"It's a terrible day for women in Israel," said Women of the Wall.
At one of Europe's biggest festivals, some fans waved Palestinian flags and raised a banner reading “Israel is an apartheid state."
With Jewish stars on his car and racing uniform, Alon Day stands out in a sport in which most drivers and fans are Christian.