The legal determination is ambiguous. It is up to each CHL holder to determine how much risk they want to take on this issue.
I have come to the conclusion that I will not drink any alcohol while carrying.
Everyone agrees that a drunk with a gun is a bad thing. The question is where to draw the line. Perception plays a huge roll if it becomes an issue.
Someone needs to ask Dick Cheney about this
1Th 5:22 "Abstain from all appearance of evil"