Talk about mixing water and magnesium…

LOS ANGELES — Tonight host Jay Leno might want to consider wearing referee stripes on Wednesday’s show when Ann Coulter and George Carlin are his guests.

Coulter, the acid-tongued conservative with a new book out, and Carlin, the quick-witted, antiestablishment comedian who’s in the voice cast for the new animated film Cars, were booked at separate times for the NBC late-nighter, a spokeswoman said Monday.

But the duo’s meeting could produce serious fireworks for Tonight, which usually limits its political fodder to Leno’s bipartisan monologue jokes.

This should make for some interesting viewing… heh. I’ll have to remember to record it when it comes on.