Brett Rumford of Australia and Norway's Knut Borsheim led after 67s.

CNN: SHARE THIS

On Sunday, after a private brunch for old-time Berkshire holders, Buffett will lead a sing-along outside of Borsheim's, before he and Munger host a three-hour press conference.

FORBES: From Omaha, Buffett Sees Clear To China

While his well-heeled acolytes peruse Borsheim's diamond clusters, outside in the mall, Buffett has invited some of the nation's bridge, backgammon and Scrabble champions to challenge and entertain his guests.

FORBES