OMAHA--Yesterday morning when I woke, I heard an owl hooting it up outside my window. I can't help but see the significance, as I was rising to attend my first Berkshire Hathaway shareholder's meeting, along with 35,000 others seeking the sage advice of Warren Buffett, 78, and Berkshire Vice Chairman, Charlie Munger, 85. My mom and I arrived at the Qwest Center well in advance of the 8:30 a.m. start, yet there were …