Hamas’ brutal assault against Israel came on Vladimir Putin’s birthday. Such a catastrophic security shock in the Middle East was probably a welcome surprise for a Russian president whose strategic priority is to divert Western support and attention away from Ukraine. A massive conflagration in Israel risks doing exactly that. The big question is how much credit to give the Kremlin for the perfect storm of mounting crises — in Israel, Kosovo, the Caucasus and Africa — that are rearing up on America and Europe. For many, it’s tempting to see Putin as a mastermind or puppetmaster, stirring up more...