The left is good at listing a string of BS together and calling fact. And the worst thing is, if they do it often enough, the simple minded voters start to believe it.
Right before Clinton left office, in a politcally anticipated ploy, he lowered the already minute level of arsenic the federal government allowed to be in drinking water. They knew Bush would have to restore the level to it's previous allowance and were ready to pounce when he did, "Bush is poisoning your children with arsenic!"