(Lake Oswego, OR)  --  A Portland woman is facing charges following a short chase, during which she was accused of ramming two Lake Oswego police cars.  Thirty-nine-year-old Mary Elizabeth Lanning is accused of driving drunk while attempting to elude police.  Authorities say the pursuit began after an officer saw Lanning, who appeared to be drunk, leave the Gemini Bar and Grill on North State Street in Lake Oswego around 12:45 yesterday morning.  Police say Lanning rammed two patrol cars during the chase, but no officers were injured.