Barack Obama

On Jan. 20, 2009, Barack Obama was sworn in as the first African-American president of the United States. And Monday, President Obama will be sworn in again — this time on a most auspicious day, the Martin Luther King Jr. holiday.

In King's most famous speech, he said, "In spite of the difficulties and frustrations of the moment, I still have a dream. It is a dream deeply rooted in the American dream."

In the landmark 2010 case Citizens United v Federal Election Commission, the U.S. Supreme Court upended decades of campaign finance reform law. WRTI's Timothy Churchill speaks with experts about the history of money in elections, changes to political campaigns in the wake of Citizens United, and the decision's impact on the reputation of the Roberts Court.