If a party's leader refuses to apply for the most basic security clearance,
That's a red flag
If he is also unwilling to apply specifically in order to avoid viewing a critical report on foreign interference in the nation's political system:
That's a helluva red flag.
If his desire for inscrutability is happening when the nation is under threat of annexation by the deranged leader of a larger, heretofore imperialist neighbour
That's a flag so red it burns. Don't get burnt.