Trump reacts to Obama's criticism, calls him 'ineffective' as president

US President Donald Trump said that Barack Obama did not do a good job as the 44th President and that is why he ran for presidential elections in 2016. <br /> <br />Earlier, former President Barack Obama had slammed President Donald Trump during an address to the Democratic National Convention on Wednesday, saying that his successor has turned the presidency into “one more reality show that he can use to get the attention he craves.” <br /> <br />Listen in to what Donald Trump had to say.