The New York Times reported Friday that

Sinclair, which owns 62 television stations in 39 markets, also made news in September 2001, when it ordered news personnel at its Baltimore station to read patriotic statements supporting President Bush.

A net search reveals these reports from the time:

• Free Expression After September 11th – An Online Index
  NCAC
• Media face dilemma in patriotic displays
  Some journalists see ‘no-win’ choice between Bush support, objectivity
  KACV-TV, Amarillo (TX)
• Patriotism & Censorship
  Some journalists are silenced, while others seem happy to muzzle themselves
  FAIR, Nov 2001