Pershing Square CEO Bill Ackman on raising stake in Howard Hughes

Pershing Square CEO Bill Ackman joins 'Squawk Box' to discuss the company increasing its stake in Howard Hughes Holdings, his thoughts on the legacy of Berkshire Hathaway CEO Warren Buffett, the future of Berkshire Hathaway, latest market trends, President Trump's tariff policies, U.S.-China trade negotiations, Trump's battle with Harvard, and more.