Watch two experts debate the implications of Warren's wealth tax

Sen. Elizabeth Warren unveiled her new proposal to tax the wealthy that calls for a 2% annual tax on wealth of more than $50 million and 3% on wealth more than $1 billion. Grover Norquist, president of Americans for Tax Reform, and David Gamage, law professor with Indiana University, Bloomington who advised on this tax plan, joined "Squawk Box" on Tuesday to discuss.