The Hy-Vee Hall ballroom in Des Moines erupted in cheers in 2008 when the youthful Illinois senator hinted at the improbable possibility of the feat ahead: “Our time for change has come!”
That Iowa, an overwhelmingly white state, would propel Barack Obama's rise to become America's first Black president seemed to ratify its first-in-the-nation position in the presidential nominating process.
