The White House has called on NBC News to set the record straight on “deceitful” editing of an interview with President George Bush, in which a correspondent asks whether comments about the president of Iran were directed at Barack Obama.

The Virginia Tech gunman went to the post office and sent television network NBC a package midway through his murderous rampage.

Macabre images of four American contractors killed in Iraq filled television screens worldwide but were largely shunned by American television that deemed them too graphic.