Megan McArdle
The people you want to get rid of are not the probationers eager to move up the GS scale, it's the GS 12-14s who have maxed out their steps and retired in place.
Kristin Brown
NEW: OPM is asking agency heads to send them the names of any federal employees still in their probationary periods - who are much easier, legally, to fire - by Friday, and to "promptly determine whether those employees should be retained at the agency"