The New York police department arrested over 700 Occupy Wall Street protesters Saturday, for allegedly walking across the Brooklyn Bridge's roadway, instead of using the pedestrian path. Now in its third week, the movement has spread to other cities around the nation. Meanwhile, Fed Chairman Ben Bernanke is scheduled to testify before Congress tomorrow on the economic outlook for the country, and unemployment figures are set to be released Friday, as President Obama continues to push his jobs bill. And Nevada has moved its caucus date back, ahead of Florida's, which will likely affect the race for the Republican nomination. Kai Wright, editor of Colorlines.com, and Charlie Herman, economics editor for The Takeaway and WNYC, look at all the big stories in the news this week.