President Barack Obama is remembering Nelson Mandela as the last great liberator of the 20th Century. Overnight snow and freezing drizzle caused problems for drivers this morning in the Portland-Vancouver area, but forecasters say the cold temperatures should moderate this week. Cold Temperatures are blamed for causing a pump to fail at a Rogue Valley Sewer Services Pump Station in Eagle Point. Warming Shelters in Eugene have seen more than 300 people a night during teh recent old snap. and the city of Eugene has spent more than expected on snow removal this season already.