interviews with nearly two dozen GOP donors, strategists and voters suggest the desire for a backup option has intensified amid questions about how the Florida governor would fare [cut] With an eye on DeSantis’s vulnerabilities, many donors have kept the door open to other potential White House contenders. One lesson that sticks with many benefactors who helped Jeb Bush raise more than $100 million by July of 2015 only to see the former Florida governor falter is that Trump’s ability to torpedo his rivals — as he is now trying to do with DeSantis — necessitates a backup plan. “My...