India, Feb. 13 -- Elon Musk has called himself "White House's tech support" and jokingly wore a black T-shirt that read: 'Tech Support' while appearing for a video call at the World Governments Summit.

The world's wealthiest person on Thursday advocated for the elimination of entire federal agencies as part of an effort to drastically reduce government spending and reshape national priorities under President Donald Trump.

Speaking via video call at the World Governments Summit in Dubai, United Arab Emirates, Musk provided insight into the Trump administration's goals while also discussing concerns about artificial intelligence and the threat of "thermonuclear warfare."

Musk's Tech Support,' T-shirt made a quip about being the "White Ho...