What's that got to do with the price of eggs?

A rhetorical question calling attention to a non-sequitur or irrelevant statement or suggestion made by another person. Primarily heard in US. Yes, I agree that health care is an important issue, but what's that got to do with the price of eggs? We're discussing tax incentives for businesses—not exactly a related topic!

Common Names:

Name	Pronounced	Usage
Matfey	maht-VYAY	Russian
Eliphelet	i-LIF-ə-let (English), ee-LIF-ə-let (English)	Biblical
Soili	-	Finnish
Park	[pa:k]
Demi	-	Greek
Cassiopeia	ka-see-ə-PEE-ə (English)	Greek Mythology (Latinized)