Those two have been fast friends for years. They served together on the Judiciary committe in the House and now in the Senate.
Graham is up for re-election in two years. He’ll likely screw his own constituency to secure himself a “bipartisan” administration position. Or the democrats will help him get re-elected by funding some phony candidate to water down any conservative challenge so he’ll get renominated. Graham is a democratic senator in conservative South Carolina, whatever he calls himself notwithstanding.