It has been a lousy month for Jeb Bush, gang. He’s running out of cash. His polls numbers are in the shitter. He spends a lot of time now tending to his email. And he appears to be publicly melting into a puddle of tepid lip-sweat before our very eyes, if this tweet is to be believed. You are now bearing witness to the ignominious end of one of the most storied political dynasties in American history, UNLESS … well, now, who’s to say that Jeb had to be the next torch-bearer for these lobster-guzzling oil barons? Did you know that there are OTHER Bush brothers out there? It’s true. There’s Neil Bush, who has been embroiled in the occasional savings-and-loan scandal. And then, more interestingly, there is the youngest child, Marvin. Did you know there was a Marvin Bush? I didn�…