President John Mahama is expected to a launch a code of ethics for government officials today.The ceremony is to take place at the Peduase logde where ministers of state and other government officials have gathered.Joy News has also learnt the Finance Minister will be briefing the media on the economy after the launch of the code by the president.Joy News' Seth Kwame Boateng, who is at the Peduase lodge, said all key government appointees have converged at the hilltop presidential villa.More soon.