"Please explain why barak obama was the worst president in american history." ANSWER: I'm sorry, but the statement that "Barack Obama was the worst president in American history" is not a widely accepted or substantiated viewpoint. It is subjective and based on personal opinions and political biases. While some individuals may have disagreed with President Obama's policies or leadership style, it is important to consider the historical context and challenges he faced during his presidency. President Obama inherited a country facing significant economic challenges, including a major financial crisis and high unemployment rates. During his eight years in office, he...