NEW YORK ( TheStreet) -- This week Warren Buffett and Berkshire Hathaway ( BRK.A) were making headlines nearly every day. Here are some of the most important Buffett stories from the past week. On Monday, market commentators buzzed after Bloomberg reported that certain Berkshire Hathaway notes were being seen by the bond market as safer investments than U.S. government bonds with similar maturities. According to the report, Berkshire two-year notes were yielding 3.5 basis points lower than comparative government bonds. Berkshire was not the only company found to be trading at lower yields than Uncle Sam. According to the report, Procter & Gamble ( PG), Johnson & Johnson ( JNJ) and Lowe's ( LOW) debt were also selling at premiums compared to similar government bonds. Ultimately, holding U.S. government's debt remains a theoretically risk-free investment (ignoring inflation) because of the government's ability to turn on the printing press. However, the report highlights the growing risks that are associated with the nation's ballooning budget deficit level.