Fact No. 1:Parents can buy alcohol for minors.As long as a legal guardian is present – and the bar permits patrons under the age of 21 – a minor can get wasted with his or her parents (although if you drink too much, you can get charged with public intoxication). Johnny Manziel and his parents seemed to be well-aware of this rule. Photo: AARON JOSEFCZYK, FRE / FR171101 AP