1 The meniscus is a rubbery C-shaped disc that cushions your knee and acts as a shock-absorber. 2  It also helps spread weight evenly so your bones donât rub together. 3  Tears to the meniscus are often caused by sudden twisting or other things you might do while playing sports.
Ayatollah Khomeini died in 1989 just months after firing his heir apparent, leaving no designated replacement. With the help of Rafsanjani, Khamenei emerged as the default choice to become the new supreme leader.
The Iran Hostage Crisis. By the 1970s, many Iranians were fed up with the Shahâs government. In protest, they turned to the Ayatollah Ruhollah Khomeini, a radical cleric whose revolutionary Islamist movement seemed to promise a break from the past and a turn toward greater autonomy for the Iranian people.