Beshalach Exile and Redemption (127)(02) Sefer Hasichos 5752 vol 1 page 303 ff.Class Two. The women of today, like Miriam bring Moshiach as they are the Gilgulim of those Neshamos,and they too refuse to stop waiting.

Beshalach Exile and Redemption (127)(01) Sefer Hasichos 5752 vol 1 page 303 ff.Class One.Miriam means the bitterness of Galus because she lived it.Also because she never stops waiting for the Geula and that is what brings it.