Dems are already blaming the deaths of Oklahoma children on Republicans, just as they did in Connecticut in December. It seems that there is nothing they like more than dead children to push their agenda.
Strong to violent tornadoes peaked during the 1970s in the US – during the global cooling scare. There is no reason to believe that tornadoes have gotten worse over time.
During the Dark Ages, ignorant politicians enthusiastically blamed bad weather on witches. Now their descendants blame bad weather on Republicans. The ancestors were probably slightly more intelligent.