Charlie Munger Blasts Bankers and High-Frequency Trading

Charlie Munger, Warren Buffett's long-time business partner, isn't mellowing much in his old age.

The 89-year-old Berkshire Hathaway vice chairman is known for speaking his mind at the company's annual shareholder gathering.

Ahead of his marathon 6-hour question-and-answer session with Buffett tomorrow, Munger sat down for an interview with CNBC Squawk Box anchor Becky Quick.

Among the highlights: Munger compared bankers to heroin addicts and called high-frequency trading "legalized front running."

Here's the complete 37-minute interview: