President Obama recently surpassed Ronald Reagan's record for stock market gains made while in office. The S&P 500 shows a 120% rise, beating the 118% gain made during Ronald Reagan's presidency, and catching up to President Clinton's 220% record. Roben Farzad, senior writer for Bloomberg Businessweek discusses the economy during the Obama tenure and how it compares to Reagan-era economics.

Then, Tim Carmody, technology, business, and culture writer, and former senior writer at Wired, joins Roben to discuss today's Twitter IPO and what it could mean for the user experience and for the tech sector generally.