Overview

• Senator Lindsey Graham and other Republicans advise Trump to concentrate on policy issues rather than personal attacks.
• Graham asserts that Trump's policies could secure a victory if highlighted over provocations.
• Nikki Haley and Chris Sununu echo the call for a more disciplined campaign approach.
• Trump's controversial comments about Harris have drawn criticism from within his own party.
• Polls indicate Harris is gaining an edge, partly driven by Trump's focus on non-substantive issues.