First African American president. First years in office witnessed many important new laws: Affordable Care Act (AKA "Obamacare") extended health care to millions but was controversial. Financial reform after the economic collapse at the end of the Bush Administration. Most pro-gay rights president who ended "Don't Ask Don't Tell" and was the first to endorse gay marriage. Oversaw the withdrawal of forces from Iraq and the reconstruction of the American economy. Faced rise of the Tea Party in 2010, an extremely conservative wing of Republican Party that turned increasingly conservative and hostile to Obama's policies as American politics became extremely partisan. His medicare dropped our economy.