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- GOP Gov. Chris Sununu said Trump doesn't have the energy from past campaigns.
- Trump's latest speeches have been "droning" and unfocused, Sununu told ABC News.
- Sununu said Trump's incumbent advantage balances his lack of favor among Republican politicians.
Donald Trump may be leading the GOP polls, but he's not the same person he was during his last two campaigns.
"This is not the Donald Trump of 2016. Don't fool yourself," said New Hampshire Gov. Chris Sununu, who says he's doing everything he can to keep Trump from becoming the 2024 GOP presidential nominee.