What does M and MM stand for?
The Roman numeral M is often used to indicate one thousand, and MM is used to indicate one million. For example, an expense of $60,000 might appear as $60M. Sales of $3,000,000 might be written as $3MM. Internet advertisers are familiar with CPM which is the cost per thousand impressions. https://www.accountingcoach.com/blog/what-does-m-and-mm-stand-for
A little irony if true: Before serving in the [CA] Legislature, Schiff served with the U.S. Attorney's Office in Los Angeles for six years, most notably prosecuting the first FBI agent ever to be indicted for espionage. https://www.politico.com/arena/bio/rep_adam_schiff_.html
Under the "gang of eight" system, the executive branch of the United States discloses highly sensitive intelligence information to the following positions within the US congress:[6]
United States House Permanent Select Committee on Intelligence:
Devin Nunes (R, CA-22): (Chair)
Adam Schiff (D, CA-28): (Ranking member)
United States Senate Select Committee on Intelligence:
Richard Burr (R, NC): (Chair)
Mark Warner (D, VA): (Vice Chairman)
Leadership in the United States House of Representatives:
Paul Ryan (R, WI-1): (Speaker of the House)
Nancy Pelosi (D, CA-12): (Minority leader)
Leadership in the United States Senate:
Mitch McConnell (R, KY): (Majority leader)
Chuck Schumer (D, NY): (Minority leader)
https://en.wikipedia.org/wiki/Gang_of_Eight_(intelligence)
Gang seems appropriate.