Washington DC, May 1 -- US President Donald Trump on Thursday (local time) lashed out at his Democrat predecessors, saying that any Presidential or Vice Presidential candidate must go through cognitive tests prior to running for the posts.

Trump said that he took the test thrice, and aced it each time.

"Anybody running for President or Vice President should be forced to take a Cognitive Examination prior to entering the Race! By doing so, we wouldn't be surprised at people like Barack "Hussein" Obama, or Sleepy Joe Biden, getting "ELECTED." Our Country would be a much better place! I took the Exam three times during my ("THREE!") Terms as President, and ACED IT ALL THREE TIMES - An Achievement that, even on a single Exam, according to t...