Thursday news roundup

Things are starting to quiet down for the holidays…

Seattle Transit Blog and Curbed cover the city’s partnering agreements with Sound Transit signed this week, expediting light rail extensions to Lynnwood, Ballard and West Seattle.

The Stranger reports that the city is looking at how Facebook and Google handled political ads during this fall’s campaigns.

The Urbanist covers Tuesday’s report to the Council on a survey of small businesses in the U District.