Dr. Laura Schlesinger and G. Gordon Liddy join the XM Satellite Radio lineup on Feb. 15. Dr. Laura will be broadcast weekdays on Ask! (XM Channel 165) from 3 p.m. to 6 p.m. Eastern. Also premiering, political commentator G. Gordon Liddy makes his return to radio with a new show to premiere on Extreme XM (XM Channel 152). “The G. Gordon Liddy Show” will air daily from 1 p.m. to 4 p.m. Eastern.