The 3 times it says "וראיתם" in Chumash. Why is it called Shlach if only half the parsha deals with the meraglim? Lubavitcher Rebbe on what the spies' sin was.

Netziv on why the spies were sent even though it was a "bad idea".

Sins dressed up as mitzvot and why Moshe didn't daven for the other spies.