The Ford Hall Forum is a public lecture series at Suffolk University. This season, they have a number of programs that may of of interest to conservatives and libertarians.
You can check out the series here: http://www.fordhallforum.org/
Programs that may be of particular interest include:
March 18: 2010 First Amendment Award Honoring
The Foundation for Individual Rights in Education (FIRE)
April 8: Mitt Romney, No Apology: The Case for American Greatness
April 15: Reforming Boston Schools
April 22: Modern Islam: Engaging questions of faith, fanatics, democracy, and reform
May 6: The Emerging “Fifth Estate”: Can the likes of Twitter, YouTube, and other social networks
help solve real government problems?
May 20: Yaron Brook and Peter Kadzis, Lessons from the Financial Crisis
Programs are free. They also are posted on FORA TV for viewing at your leisure.