Columbia Heights Library, 3939 Central Ave. NE. For more information, call 763-706-3690 or visit chplmn.org. Registration required for most programs and opens 4 weeks in advance.  Conversation Circle: Mondays, 5:30-6:30 pm; Wednesdays, 5:30-6:30 pm; Thursdays, 2-3 pm in December. Conversation Circle is a casual gathering of English-language adult learners who meet at the library to practice their speaking skills in a group setting with help from an English-speaking volunteer. No need to register; just come when you can. Winter Reads:- Cozy…