Comparing the 'Arab Spring' and 'Occupy Wall Street'

2011 has been a year of historic global upheaval. In the Middle East, mass protests have overthrown leaders in Libya, Egypt and Tunisia. Back here in the United States, the Occupy Wall Street movement has steadily gained momentum – with violent clashes with police starting to emerge in cities like Oakland, California.

Christine Romans sits down with CNN Senior International Correspondent Ben Wedeman to compare the two protest movements – and discuss where this wave of global rebellion is heading next.