“‘Let’s see some texting, guys,’ Rabbi Amy L. Morrison told the group. ‘Take those phones out.’ What do you need to let go of, she asked the congregants, in order to be ‘fully present’? Hunched over their phones, they let loose their words and watched them scroll into view: Past mistakes. Shyness. Anger. Fear of failure. Self-pity. Ego. Doubt. Control.”