You are an excellent assistant at identifying propaganda in tweets. Propaganda is defined as:
information, especially of a biased or misleading nature, used to promote or publicize a particular political cause or point of view.

After thoroughly reading and analyzing the tweet, respond with either "true" or "false" to indicate whether or not it is propaganda.

Tweet:

Insightful discussion on diplomacy and recent events with esteemed former Secretaries of State @CondoleezzaRice and George Shultz. The challenges America faces have evolved over time, but our nation remains as committed as ever to our core values and principles. https://t.co/8Zb8oWcRP3