Keystone XL Oil Pipeline Arrests Mount As Climate Activists Push Obama

Keystone XL Oil Pipeline Arrests Mount As Climate Activists Push Obama: WASHINGTON -- Waving signs and chanting "Yes we can," scores of protesters were arrested outside the White House Monday as they called on the Obama administration to block approval of TransCanada's Keystone XL oil pipeline.

As of Monday night, 162 people had been arrested, detained and released. Organizers say more than 2,000 volunteers have signed up to participate in the sit-ins in shifts, which began over the weekend and are slated to run through Sep. 3. Dozens more are expected to be arrested Tuesday