Speech by Bhutto's son fuels talk of political career

The son of Benazir Bhutto and President Asif Ali Zardari of Pakistan is expected to make his first speech Saturday since leaving university in Britain, fuelling talk he is stepping up his political career.
Bilawal Zardari Bhutto, 21, is heir apparent to a dynasty whose most famous figure was his mother, Pakistan's former prime minister and the world's first Muslim female premier, who was assassinated in 2007.
His grandfather, Zulfikar Ali Bhutto, founded the Pakistan Peoples Party (PPP) in 1967 and became Pakistan's president before being overthrown in a military coup and hanged in 1979.