Question: Does a child who breaks a window need to pay the owner when he reaches bar mitzvah?
Short Answer: No, he does not need to pay, according to many poskim, including the Shulchan Aruch. However, in many circumstances, it is “lifnim mi’shuras ha’din” (equitable and above the letter of the law) for him to pay when he gets older.
Question: Is a person liable for accidental damage that he causes to a person who enters his house without permission?
Short Answer: There is a dispute whether the homeowner is liable for accidental damage where he is aware of the trespasser. The Shulchan Aruch appears to hold that he is exempt from liability.
Question: Is a person liable to pay damages for torts performed when drunk?
Short Answer: Yes, a drunk is liable for damages. While there used to be a possible exception on Purim, many poskim severely limit this exemption nowadays.