As Gavin Newsom’s governorship enters its final chapter, his eyes are no longer fixed on Sacramento. They are fixed on Washington. More specifically, on t he White House . Like Sauron’s obsession with the One Ring, Newsom’s political focus has narrowed to one overriding object of desire: the presidency. That is the only way to understand Newsom’s latest economic manifesto, released Friday under the banner of a national billionaires’ tax. This was not merely a policy paper. It was positioning.