Graham’s full statement is contradictory. So he likely just throwing it out there to demonstrate how willing potus is to be flexible and negotiate.
Pelosi has mockingly stated that she will give $1 if the government is reopened. She should be taken at her word and government closure should continue.
She may have talked about $1 for the wall mockingly... however, Brian Kolfage tried to actually collect $1 in-person from her office, and was refused even that.