The senbon aren't much of a distraction and he knows Itachi knows this, but the message is received with a patient smile and he continues to move closer to Itachi until they are barely a foot apart.
"Truths and lies are a matter of perception. And what would the lie be here, Itachi-san? That you are a murderer or a sacrifice for the greater good of the village? Or both? You protected your brother who now believes you the traitor. Or is the rumor I've heard the lie you tell yourself so you can sleep better at night?"
Yes. He's pushing a little harder than he should. But Minato believes in the truth and honor and doing what is right. he needs to know if he is making the right decision when he returns home.