Marco Rubio wasn’t punished for his grandfather’s immigration history or brother-in-law’s cocaine conviction. Now he’s keeping a teenage boy in detention over something the boy’s grandmother did in 1979. @Timodc on Rubio’s embrace of guilt by bloodline. https://lnk.thebulwark.com/3VknSDG?utm_source=twitter&utm_medium=social&utm_campaign=subs