For Donald J. Trump, a new set of New York Times/Siena College polls captures a stunning, seemingly contradictory picture. His 91 felony charges in four different jurisdictions have not significantly hurt him among voters in battleground states. Yet he remains weaker than at least one of his Republican rivals, and if he’s convicted and sentenced in any of his cases, some voters appear ready to turn on him — to the point where he could lose the 2024 election. Snip---------------- If the former president is convicted and sentenced — as many of his allies expect him to be in the...