Answer to this week's riddle

Travis Hale

Again, the riddle:

Of what common American phrase did Isaac Asimov say he didn't know people "stupid enough" to say it and Dear Abby respond the she couldn't care less that people were misusing it?
 

Answer: "I could care less." For more thoughts on the phrase, see http://www.boston.com/bostonglobe/ideas/articles/2010/10/24/i_could_care_less/?page=full