Mario Gabelli, GAMCO Investors chairman and CEO, joins ‘Squawk Box’ to discuss the latest market trends, Warren Buffett’s public criticism of Kraft Heinz, sports investing, media landscape, celebrating 30 years of Squawk Box, and more.

Mario Gabelli, GAMCO Investors chairman and CEO, joins ‘Squawk Box’ to discuss the latest market trends, Warren Buffett’s public criticism of Kraft Heinz, sports investing, media landscape, celebrating 30 years of Squawk Box, and more.