Debatable. The justice system hasn't found that, no charges have been filed within the justice system over them.
> Weakening Glass-Stegal and encouraging questionable and irresponsible risk-taking at major banking institutions -> not punishable
While again this is untested directly, the legislative privilege in the Constitution makes this pretty clearly not punishable through the justice system. The punishment that can be dealt out for this is at the ballot box, not through the justice system.