“How shall I know this?” aging Zechariah asked when told him he and his barren wife would conceive and bear a son. “How will this be?” asked young Mary, a virgin, told she would give birth to the Son of God. Both questions seem similar on the surface, yet Zechariah was struck mute for nine months, until his son, John, was born, while nothing happened to Mary. Why such a disparate response from Gabriel, God’s messenger? It’s all in our heart’s posture before God. Zechariah was cynical, demanding.…