Why did he say "Lecha Nelcha" (you go, we will go)?
Malbim: Sha'ul accepted his idea that only the youth will go to ask. You will be primary, and I, secondary. 1
Malbim: This was Hashgachah, that Sha'ul will not appear in front of the Ro'eh as an esteemed person, and even so, the Ro'eh will recognize that he will be king.