Amanda Gorman says her speech impediment is anything but. The Los Angeles-born poet, who became an overnight sensation after reading her poem “The Hill We Climb” at President Biden’s inauguration in January, spoke about her journey with Oprah Winfrey for an upcoming episode of “The Oprah Conversation.” “I was born early, along with my twin. And a lot of times, for infants, that can lead to learning delays. And so one of my delays was in speech and speech pronunciation. And also just the auditory processing issue means that I really struggle as an auditory learner,” Gorman, 23, told Winfrey in …