JTA — When Ari Siegel took the stage on a recent episode of “Shark Tank,” he was dressed as Abraham Lincoln, but with a Jewish twist: His outfit featured a kippah and a kapota, the black ...

The kippah, often referred to as a skull-cap, is a small cap worn by Jewish males as a sign of Jewish identity. Some people believe that it is respectful to God if you cover your head. This is ...