Trump administration AI czar David Sacks warns America isn't guaranteed to win a tech race with China, advocating for export controls while ensuring U.S. technology dominates globally.

Experts are skeptical that a smartphone can be built in the US based on the specifications, price and timeline laid out by Donald Trump, Jr., and Eric Trump when they announced the phone.

The idea that [manufacturing] could be replicated in the U.S. in any sort of short- to medium-term timescale is fanciful,” one analyst said.