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:

We will be happy to do so as soon as US authorities stop stifle alternative views expressed by #RT and #Sputnik. They have also become vital source of unbiased information for Americans, tired of Russophobic and selective US media. Let’s uphold freedom of information together! https://t.co/rsXTV8nCIA