Former President Barack Obama is ready and willing to do what he can to help the Democrat incumbent stave off a fierce Republican challenger in the 2024 general election — but he’s still pretty worried about it, according to a new report. A fascinating Monday report from New York Magazine actually peeled back some layers from Obama’s typically cool-as-a-cucumber demeanor and revealed a former president who may very well see some of the writing on the wall when it comes to the presumed 2024 general election rematch between President Joe Biden and presumptive GOP presidential nominee Donald Tru…