By ALEXANDRA OLSON and DEE-ANN DURBIN, AP Business Writers NEW YORK (AP) — Workplace couples are often romanticized — think Bill and Melinda Gates or Michelle and Barack Obama. But when the relationship involves two people with unequal power, it can also be fraught with peril, especially in the #MeToo era. McDonald's CEO Steve Easterbrook is only the latest chief executive to be ousted over a consensual