Listen to this morning's class, "Halakhah & Minhag: Unifying it Divisive?" here.
Follow along with the sources here.
For further learning:
Listen to some of the past classes that we cross-referenced in today's class:
1) Listen to "Dictating יברכך: Origins & Development" here.
2) Listen to "Hallel on Rosh Hodesh: With or Without a Berakhah?" here.
3) Listen to "When to Say the Berakhah on Shabbat Candles" here.
4) Listen to "The Land of Israel and What We Do" here.