ALMATY, Kazakhstan — The son-in-law of Kazakhstan’s president has been named head of the oil-rich Central Asian nation’s $80 billion national wealth fund, a move that underscores the ruling family’s growing influence over big business. Prime Minister Karim Masimov announced the appointment Tuesday on his Twitter account, one day after a Cabinet reshuffle that saw the naming of new economy, foreign and agriculture ministers. President Nursultan Nazarbayev’s […]