The Speaker’s potential real power has been in naming chairmen of committees, and in firing them when needed.
This power must be restored.
It's the only way to really pull power from the executive to the legislative branch coherently. It also comes with its own checks and balances.
Congress is a deliberative body. They have to talk and get along. The Speaker must be able to balance the many competing interests of the members to have any real influence and resolve the too-frequent deadlocks and partisanships.