jomama717 writes: "Although there is no official word yet from NASA it appears that drilling has commenced, based on evidence detailed here. Curiosity has been officially searching for drilling sites in the "Yellowknife Bay" area for nearly two weeks." Link to Original Source
The rule on staying alive as a forecaster is to give 'em a number or
give 'em a date, but never give 'em both at once.
-- Jane Bryant Quinn