Is this the year you will finally catch that magical creature? — 1. When March arrives, don’t mention St. Patrick’s Day, leprechauns, or Lucky Charms. With any luck, your child will not remember the holiday and you will not actually have to help build a leprechaun trap. 2. Fail to turn off the TV before a Lucky Charms commercial comes on. Watch your kid’s eyes light up. Sigh, and make a mental note to cancel your cable subscription and from now on only let your child play with kids…