Archerbi's response was the very epitome of a politician's cunning.
If David could "persuade" enough Congressmen to vote, then his involvement would become an inevitable trend. The Freemasonry Ansa Group would likely be too preoccupied to single him out.
And if David couldn't persuade that many Congressmen, then the bill wouldn't pass anyway, and naturally, he wouldn't need to involve himself.
This could definitely be described as being able to advance or retreat at will.
"Pleasure doing business with you!"
David smiled and extended his right hand. He had certainly seen through the other man's thoughts, but as long as the other party agreed to vote for the bill when the time came, nothing else mattered.
...
After David left, Archerbi's wife, who had been silently listening, asked with a worried face, "Archerbi, this is murky water. If we're not careful, we could be ruined. Why did you agree to him so easily?"