Never mind about that $775 billion fiscal stimulus program. More than 7 million American households are in danger of missing an episode of “Dancing With the Stars” unless Congress acts fast to help them. Concerned about the very real possibility that his first month in office could be marred by a couch potato insurrection, President-elect Barack Obama has asked lawmakers to delay the Feb. 17 switch from analog to digital TV signals. Don’t touch that dial — er, remote.