- Sen. Lindsey Graham tried to stop Trump from choosing Sen. JD Vance as his running mate, per WaPo.
- Graham reportedly preferred Sen. Marco Rubio and thought he might be stronger electorally.
- The South Carolina senator has also long disagreed with Vance over Ukraine aid.
Sen. Lindsey Graham reportedly made a last-ditch effort to get former President Donald Trump to choose Sen. Marco Rubio — not Sen. JD Vance — as his running mate.