Overview

• Vice President Kamala Harris called out former President Donald Trump at a rally, urging him to debate her directly.
• Trump has been inconsistent about his willingness to participate in a debate scheduled for September 10.
• Harris's favorability has risen since she became the presumptive Democratic nominee, while Trump's has declined.
• Trump's campaign has cited various reasons for his reluctance, including dissatisfaction with the debate host, ABC News.
• The debate uncertainty comes as Harris narrows the polling gap with Trump, who currently leads by two points nationally.