Original sentence: For instance he occasionally comments on some political issues such as becoming a republic in order to abolish the connection of the Australian monarchy and the British monarchy; this is something which republicans assert is merely symbolic, though this is not generally accepted, and it is something for which he campaigned together with his old enemy Fraser.Now in his late eighties, he still makes regular public appearances (indeed, it is regularly joked that Whitlam turns up at the opening of an envelope)
Edited sentence: Now in his late eighties, he still makes regular public appearances (indeed, it is regularly joked that Whitlam turns up at the opening of an envelope) and occasionally comments on some political issues such as the abolition of Australian symbolic ties to the British monarchy (for which he campaigned together with his old enemy Fraser)