“Do not be anxious about anything, but in everything by prayer and supplication with thanksgiving let your requests be made known to God. And the peace of God, which surpasses all understanding, will guard your hearts and your minds in Christ Jesus.”  Philippians 4:6–7   The line at the grocery store check-out creeps forward at an agonizing crawl. A sudden notification flashes across a smartphone screen, followed by an immediate tightening in the chest and a racing heartbeat that ...