41.   Indeed, government sources began to steer away late last year from the idea that foreign terrorists mailed the letters, thereby perhaps preparing us for a revelation.

42.   Last week, Wal-Mart mailed letters informing the companies that as of the end of July, it would stop allowing the data to be collected.

43.   Later, warning letters were mailed to companies believed to be using illegal software.

44.   Letters were mailed to the winners the Friday before the NFC championship game, and the tickets had to be paid for last week.

45.   Lowry mailed letters to every male student in the high school.

46.   Mailing a letter is a whole different deal.

47.   Mail processing is highly computerized, and bar codes show where letters were mailed.

48.   Mailing a letter in the United States is likely to become a cent more expensive in January.

49.   Meanwhile, the Chamber of Commerce is mailing letters to top executives at its member companies, as well as local chambers around the country.

50.   Nor does the Postal Service know exactly how many letters were mailed.