Tikkun leil Shavuot

Shavuot is the holiday about the giving of the Torah at Mount Sinai (matan torah). There is a tradition of late-night study called tikkun leil Shavuot, or colloquially, a tikkun. The Pittsburgh community has -- I'm told this is very unusual -- a community-wide tikkun for the first few hours, from 10PM to 1AM. There are about 25 one-hour sessions (spread across the three timeslots) with teachers from across the local Jewish spectrum -- rabbis, cantors, and educators; Orthodox, Reconstructionist, Reform, Conservative; from synagogues, schools, social services (like eldercare and prison support), and other Jewish organizations. I went to a session called "relearning Leah" that was very good. We only had an hour and there was a lot of discussion, so we were mostly in the Torah text about her deceptive marriage and children and didn't get much into the midrashim. Something I noticed for the first time in how Leah explains the names for her sons: Reuben: "It means: 'GOD has seen my…