In any case
Definition 1 of 2
Pro Tip 1/3Conversational Pivot
Use 'in any case' to change the subject or return to a previous topic after a digression. 
The weather has been unpredictable, but in any case, what are your plans for the weekend?
Pro Tip 2/3Softening Disagreement
'In any case' can be used to politely introduce or emphasize your viewpoint, often after discussing another's opinion. 
You make a good point, but in any case, I believe we should proceed with caution.
Pro Tip 3/3Counterpoint Cue
The phrase can signal that you are about to provide an opposing argument or different perspective. 
That's one way to look at it; in any case, let's consider the other options too.