ChessPie.....Personally, I think the rabbits and deer would love a great garden in the front....they wouldn't have to hop thru and over the fence...if you had one in the back.
Really, I think that anyone could do veggie gardening in the front and side yard....as long as they kept it discreet. Radishes grow low to the ground, as do carrots, and could be intermingled with other plants. Asparagus....look like ferns and could probably be put to the back of the garden...they do need a bit of room. Tomatoes might do well on the side of the yard....possibly behind maybe a small portion of privacy fence. From a distance....green, yellow and red peppers may just look like flowering bushes. Those crazy squash plants get really big...and they too might just look like some kind of really neat bush with yellow flowers. All in all it just needs to be kept up so that it doesn't become an eyesore...especially, if you have to tie some of the plants up...now that is when it gets especially tricky!!
Good Luck to anyone that attempts front yard gardening....it might be a real challenge.