The time for negotiating was BEFORE they seceded and started stealing things. "Negotiating" at that late date was little different than hostage negotiations. No matter what, you know it isn't going to be pretty.
His orders to Porter were going to start a war there if one didn't happen in Charleston.
Bullshit
I also see myself as a philosopher.
Don't give up your day job (snicker).
The "stealing" was being done by the unwanted guests in their home.