אשר נשיא יחטא ועשה אחת מכל מצות ד' אלקיו אשר לא תעשנה בשגגה
The other pesukim (addressing private and communal sin) begin with the logical v’im, if (someone sins). Concerning the Nasi, the Torah begins with the word asher, which means when (a Nasi sins). Why, concerning everyone else, it is “if” and regarding the Nasi, it is “when”? It is almost as if the Torah is implying that, for the Nasi, sin is inevitable. It is only a question of when it will occur. Rashi quotes the Sifra that teaches that the word asher alludes to ashrei, fortunate, implying that a generation whose leader sins and seeks atonement for his error is…