Bitcoin has roared back this year, topping its 2021 peak as a Wall Street-led rally could be eclipsed by an "absolutely enormous" China earthquake. The bitcoin price has dipped toward $60,000 per bitcoin after climbing over $70,000 last month as Elon Musk joins a growing chorus of warnings that the U.S. dollar could be about to collapse. Now, as former U.S. president Donald Trump and the Federal Reserve are poised to trigger a $4 trillion bitcoin price boom, Trump has unexpectedly backed...