In the passage, slumbering means rejoicing, because Winter "wears on his smiling face a dream of spring". Winter is smiling, therefore he must be rejoicing. Hope this helps!
Answer:
The law enforcement leaders of today are facing arguably one of the most tumultuous times in policing. On a big-picture scale, law enforcement organizations are feeling increased pressure to reevaluate their practices while balancing an ever-changing cultural, social and technological landscape. At an individual level, police officers themselves are entering the field with new expectations about what it means to be an officer and how they want to be led.
Rainsford was a skilled and experienced hunter.