What is the significance of the fact that Miriam became a Metzora only after the Cloud (and the Shechinah) departed?
Rashi: This can be compared to a king who instructed his son's tutor to punish his son, but only after he (the king) had left
Why does it say "va'Yifen Aharon"?
Hadar Zekenim He turned from his Tzara'as. Also he got Tzara'as, and was healed.