Parents billed $29 for a 'no-show fee' after 5-year-old son misses birthday party

It's enough to scare someone off of having children. Whether it's gluten or plastics or peanuts, it seems young and new parents have more and more social taboos to navigate. The latest parenting taboo? Missing a birthday party - or sending an invoice to the absent child's parents, depending on how you look at it. A…