sot aaron sharokman/politifact @ :26- :32 ((the one caveat is these are just estimates. so both on the total wealth of the population of the world and also the number of billionaires and how much wealth they have.. close enough to rate his claim as. mostly true next up.. marco rubio's pulling out a stunning statistic about the education. rubio claiming "two-thirds of our kids can't read at grade level" rubio uses a national think tank that some education experts disagree with. politifact found there's a difference between the higher think tank standards and actual grade level reading. sot aaron sharokman @ 1:02-:1:12 ((marco rubio has the right figures here. 2/3 of american students aren't reading at a proficient level but that doesn't necessarily equal reading at grade level)) politifact rating rubio's claim about the dire state of reading levels for children at half true all the way until election day in november.. we are teaming up with politifact.. the nation's leading political fact checking group.. holding politicians accountable for the things they say. i'm todd q