1)
What is the meaning of "u'Zehirin Hevo Shalu"?
1.
Rashi: Be careful not to err [to transgress this]. Ibn Ezra - this is like "v'Hizharti Es'hem."
2)
Why did he say "Lemah Yisgei"?
1.
Rashi: Why should there be more destruction in (from) this city to harm kings?!
