AT&T has launched ShortsHD on its HD Premium tier lineup nationwide. AT&T’s HD Premium tier lineup includes MGM HD, Palladia HD, Smithsonian Channel HD and Universal HD
ShortsHD on AT&T

Time Warner Cable has launched MSNBC in high-definition in New York City on channel 714 on July 22. Time Warner is the second operator to add the No. 2 News Network in HD after Dish Network
MSNBC HD on Time Warner Cable