<prompt> Translate the following text to EnglishHii haifanyi... kwamba vizuizi vinavyotegemea maoni ni sahihi wakati Serikali haizungumzi yenyewe au haifadhili usambazaji wa ujumbe unaopendelea lakini badala yake hutumia fedha kuhamasisha utofauti wa maoni kutoka kwa wasemaji binafsi.  <response>: As we have pointed out, it does not follow . . . that viewpoint-based restrictions are proper when the government does not itself speak or subsidize transmittal of a message it favors but instead expends funds to encourage a diversity of views from private speakers. 