Donald Trump took a lot of heat for implying that George W. Bush was responsible for failing to prevent 9/11. (He didn't say it outright, saying merely that it happened on Bush's watch, but I think it was clearly implied.) He said that our porous immigration system was partially responsible for the attacks. And as it turns out, Jeb Bush agrees: ....a review Jeb Bush’s 2013 book Immigration Wars reveals that Jeb Bush himself agreed with Trump’s argument and admitted that our “leaky” immigration policy was responsible for the attack. Bush wrote: In addition to the Mexican drug cartels, the...