Lindsey Graham spends heavily to fend off 'America First' primary challenger

Key facts

• Senator Lindsey Graham won his Republican primary election.
• Graham defeated an "America First" challenger.
• Graham invested heavily in his campaign to counter the primary threat.

Senator Lindsey Graham has won his Republican primary election, defeating an "America First" challenger. Graham had reportedly invested heavily in his campaign to counter the primary threat, employing financial strategies to maintain his position against the challenger.