Saint Javelin doesn’t grace the stained-glass windows of any church. Her halo is a shade of yellow closer to that of sunflowers and wheat than the golden orb on a traditionally canonized saint. Instead of an infant, she tenderly cradles a Javelin — an American-made, handheld antitank missile. The Mary knockoff might not be a church-sanctioned saint, but in just a few months, she’s developed a following with devotion that rivals that of any high-holiday worshiper. More impressively, she’s raised over 1 million dollars for the Ukrainian resistance against the Russian invasion. The business is the brainchild of Christian Borys,...