washington the us presidential election polemics already testy exploded into invective and namecalling on thursday with donald trump and hillary clinton launching fierce broadsides as they headed into the largest state california which will hold primaries on june 7in a speech she is scheduled to deliver in san diego excerpts of which were leaked clinton is all set to unload on the billionaire real estate tycoon she gave a brief preview of it on wednesday calling trump a fraud who would scam america the way he scammed all of those people at trump university referring to the real estate tycoons business training programme that is at the center of an ongoing lawsuittrump university employed instructors with no experience and lied to sell outrageously expensive packages in a word fraud she tweeted on wednesday alleging that trump and his firm took advantage of vulnerable americans encouraging them to max out their credit cards empty retirement savings destroy their financial futures all while making promises they knew were false from the beginning trump in turn launched into a withering preemptive attack on clinton saying she has no natural talent and was one of the worst secretaries of state in the history of our countryall you have to do is watch her speak and you ever notice even for a minor speech she has teleprompters do i have teleprompters here he boasted in a typical rambling offthecuff speech to his supporters in california where the presidential election circus moves to this weekendhonestly i tell you what folks she doesnt know what the hell shes doing its going to be another four years of disaster were probably better off with bernie he said after having repeatedly mocked clinton for not sealing up the nomination to run for president like he hastrump also returned clintons charge that he was a fraud by suggesting the democratic frontrunner and her husband former president bill clinton had a quid pro quo with china drawing a foreign country into the charges and countercharges that are taking the presidential elections into previously uncharted territoryat the same time secretary clinton was surrendering our jobs to china the chinese government and its supporters were funneling huge sums i mean huge sums of money to bill clinton so that hed give speeches so shes given china all these deals and chinas paying him vast amounts of money to make speeches great job he sneeredhe also ridiculed her for claiming she would be ready to take 3am emergency phone calls as a presidentremember the famous phone call at three oclock in the morning shell answer the call guess what she was sleeping she was sleeping like a baby dont wake me up of course she took the calls from her slimy friends but she didnt take 5600 calls