AdvertisementSKIP ADVERTISEMENTYou have been granted access, use your keyboard to continue reading.With help from a longtime Silicon Valley investor turned White House insider, Mr. Huang got the administration to reverse course on restrictions.Jensen Huang, the chief executive of Nvidia, spent months lobbying for changes to restrictions on the sale of A.I. chips to China.Credit...Andy Wong/Associated PressTripp MickleTripp Mickle covers Nvidia and reported on this article from Washington, San Fr...