A bar mitzvah (masc.) or bat mitzvah (fem.) is a coming-of-age ritual in Judaism. According to Jewish law, before children reach a certain age, the parents are responsible for their child's actions. Once Jewish children reach that age, they are said to "become" b'nei mitzvah, at which point they begin to be held accountable for their own actions. Traditionally, the father of a bar or bat mitzvah offers thanks to God that he is no longer punished for his child's sins. In Orthodox communities, boys become bar mitzvah at 13 and girls become bat mitzvah at 12. In most Reform, Reconstructionist, and...