Microsoft President Brad Smith makes the case for DACA recipients

The Supreme Court will hear oral arguments today challenging the deferred action for childhood arrivals program, also known as DACA. The court's decision could impact hundreds of thousands of "Dreamers" across the United States. Brad Smith, president of Microsoft, joins CNBC's "Squawk Box" to discuss why Microsoft is the only company that is a plaintiff before the Supreme Court to defend DACA. The company has more than five dozen employees who are DACA recipients.