Contagion apples from the Khadr tree must be kept apart

Knowing who and what she is, it is impossible to look into the eyes of Zaynab Khadr and not see the contempt for us staring back.

Those dark, dull eyes, seen through the slit in her black niqab in various media photographs taken over the years, are the only windows into her jihadist-promoting soullessness.

But the hardness is evident.