Warren Buffett said he could make a 50% return on $1 million and predicted higher taxes. Here are 14 Q&A nuggets.

Rick Wilking/Reuters

• Warren Buffett's Q&A at Berkshire's annual meeting was full of interesting nuggets and tidbits.
• He teased a possible Canadian bet, and said he could make a 50% annual return on $1 million.
• Buffett predicted higher taxes and revealed a $500 million donation of Berkshire stock.

Warren Buffett let slip a slew of intriguing facts and anecdotes during Berkshire Hathaway's annual shareholder meeting on Saturday.

The...