What's the deal with Rosh Hashanah?

Sunday night is the beginning of #RoshHashana.

What kind of "new year" is this? I asked Rabbi Asher Coleman of Palo Alto's Jewish Learning Network and, well, here's what happened in Ep. 27 of @ColemanNation Podcast - Lawyer Ron Coleman (w/ shoutout to @Historycourses!):

Full ep.: youtu.be/z94qXNpwppM