1)
Did Nechemyah explain why he cast Toviyah's Kelim out of the chamber?
1.
Malbim (1, 8): Indeed, Toviyah's relatives complained about Nechemyah's act. (He was the son-in-law and Mechutan of great Sarim.) This is why Nechemyah read the Torah that day, so people will realize that Toviyah, an Amoni convert, may not marry Yisraelim.
