PRAGUE( REUTERS)-Aides to Czech President Milos Zeman on Thursday( Oct 21) showed a video of him signing a decree to convene a new parliament while in hospital a week ago, seeking to defend their handling of his hospitalisation against accusations of secrecy. Zeman's absence in hospital has coincided with a post-electoral period of political transition in which he is meant to play a role, unnerving politicians who have discussed triggering constitutional mechanisms to take away his powers. Zeman