1. Yes. And Sheridan interpreted the embedded message correctly.

2. I likely should not have been surprised by Lady Morella's predictions.

3. Others have addressed this better than I.

4. Yes.

5. No.

6. Yes, and looking back, years after first watching the series, the parallels should have been clear to me. Joe was keeping his eyes open to that possibility, always. Still is, going by his Twitter commentaries.