‘Democracy’s loss:’ 9/11 commission chief on Republican 6 January rejection

• Republican Thomas Kean: It saddens me'
• I guess some people were scared of what they'd find out'
• Opinion: Don't let Republicans rewrite the history of 6 January

The head of the 9/11 Commission has told the Guardian senators' failure to launch a similar investigation into the 6 January insurrection at the US Capitol is democracy's loss".

Related: Republicans' blocking of the Capitol commission shows how deep the rot is