MANDAN, N.D. (AP) — It’s never been so expensive for Americans to buy a steak or hamburger, but cutting those costs requires ranchers like Stephanie Hatzenbuhler to raise more cattle — and that’s not an easy ask. For a host of reasons, Hatzenbuhler and other ranchers across the country are reluctant to grow the national herd — now its smallest in more than 75 years — and until they do so, demand will outweigh supply, and beef prices will likely remain high. Adding cattle makes sense for some