Anna Salton Eisen, a founding member of Congregation Beth Israel, sees a positive sign in the amount of community support for the synagogue. (JTA) — Jews around the world reacted with horror to last weekend’s hostage situation at Congregation Beth Israel in Colleyville, Texas. But Anna Salton Eisen had a deeper connection to it than most. Eisen was a founding member and first president of the congregation, and when her fellow congregants told her what was happening on the Facebook livestream around 11:30 a.m. CST, she knew she had to alert her mother, a Holocaust survivor. “I knew I had...