HAJI OMERAN, Iraq (AP) — Dozens of Iranians crossed into northern Iraq Sunday — the first day the border had opened since war struck their country — to buy cheaper groceries, access the internet, contact relatives and find work. Travelers said constant airstrikes and soaring food prices have made life in Iran increasingly desperate. Trucks laden with goods snaked through the Haji Omeran crossing from Iraq’s Kurdish region, offering a hoped for respite from high costs on the Iranian side. Even