Unprecedented change on Wall Street as Lehman and Merrill Lynch both fall, Lehman to bankruptcy, and Merrill to a forced marriage with BofA

Five years ago this scenario would have been scoffed at, but this morning Wall Street awakens to a very different landscape. Lehman Brothers filed its holding company into bankruptcy in the early morning hours, and Merrill Lynch has agreed to be acquired by Bank of America (will ML's 60,000 employees see this as a "rescue" when they get their pink slips?)

Insurer AIG is wobbling, too. Everyone seems to be wondering who is next.

Anyone from Lehman or Merrill or any other firm is encouraged to post thoughts, comments, reactions in our comments section.

An obviously exhausted Dennis Berman and Matthew Karnitschnig of the Wall Street Journal posted this video recap on the Journal's site this morning: