From the moment Tribeca Festival (no longer just film!) dropped its TV lineup, one title caught our eye: Steven Sodebergh’s “Full Circle.” His latest Max original, another reteaming with “Mosaic” and “No Sudden Move” writer Ed Solomon, looked like just the kind of miniseries sensation the summer needs. We’ll have a full review of the series later, but here’s what we learned at Tribeca — both from the first two episodes and the Q&A that followed.