“Vice President JD Vance’s role as President Donald Trump’s chief defender poses a growing challenge as the administration faces mounting perceptions of inside dealing and corruption,” NewsNation reports.“Vance on Monday said the idea of Trump using the White House for personal enrichment was ‘laughable,’ and during a CBS News town hall over the weekend, he said he doesn’t see evidence of corruption. That puts him increasingly out of step with most voters, including an expanding segment of Republicans.”