By Josh DulaneyStaff writer jdulaney@oklahoman.comAs Joe Biden promised in his Wednesday inauguration to be a president for all Americans and not just those who voted him into office, a south side Mexican immigrant wondered if she would be treated as an equal citizen, a Black chef on the northeast side predicted things wouldn’t change much, and a self-described “redneck” sat in his pickup truck and stared at the state Capitol in disbelief. At 78 years old, Biden won the popular vote by 7 million votes over Donald Trump and secured the electoral college to become the oldest United States president to take the oath. “And I pledge this to you,” Biden said in his inaugural address to a politically fractured nation.Read more on NewsOK.com