Baruch Hashem, Rav Moshe Weinberger has reviewed this write-up of his drasha from the this past Shabbos, parshas Vayeira. See here
for past write-ups. Also, thousands of Rav Weinberger's shiurim are available online here.
You can also go to YUTorah.org's website
to hear Rav Weinberger's shiurim as mashgiach/mashpia at YU or click on one of the...