What's the special status of the 30 days before Pesach that we dont see by other chagim?

What's the significance of Parshat Hachodesh in halacha and Jewish thought, and why does it serve as the leadup to Nissan and Pesach?

What is the minimum amount you need to eat to fulfll the mitzva on the Seder Night?

from the many daily shiurim offered in YU, either on the mesechta that YU is learning that year, or one of the advanced halacha shiurim on various topics in Yoreh Deah