News Alert: GM to discontinue Hummer after sale falls through03:24 PM EST Wednesday, February 24, 2010--------------------General Motors says it will discontinue the line of massive off-road vehicles after its bid to sell the brand to a Chinese company failed.For more information, visit washingtonpost.com:http://link.email.washingtonpost.com/r/SFBD1U/YUGEX/SPSP0A/H3G5SF/T8V5M/FW/