Speaking to CNBC in May on the subject of tax inversion deals, Warren Buffett said, “it does get a little annoying when we see other people paying far lower tax rates while engaging in the same sorts of businesses that we engage in.” Now Buffett appears to have decided to get in on the game: The Oracle of Omaha is extending financing to Burger King for its planned takeover of Canadian coffee-and-donuts chain Tim Hortons , the Wall Street Journal reported Monday evening, citing sources familiar with the deal. Buffett’s Berkshire Hathaway will provide roughly 25% of the financing, the...