His Footsteps in the Sand

Why does it say Vayishalach meaning to allow something to go and not Vayishlach (He Sent) when God sends the fiery serpents to attack the people?

Aside from Parah Adumah, there are no commandments, only a 38-year gap and a historical account of the fortieth year. Why does Parah Adumah precede these events?

Delivered at the OU Israel Center, 6 Tammuz 5778 (June 19, 2018)

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