The South African Government will tighten the public purse as the country battles a weakened economy and dwindling tax revenue. President Jacob Zuma announced new measures to curb wasteful expenditure. However he has made it clear social spending will not be compromised. He delivered his state of the nation address in parliament last night - spending much of his address on plans to revive the ailing economy. Presidential Correspondent Tshepo Ikaneng has more...