Unlike the crown, which is awarded on the Monday of eisteddfod week for poems in the free metres, the chair is reserved for poems in cynghanedd, the ancient system of strict poetic metres which requires poems to be written in a complex mix of consonantal harmony, stress, rhythm and rhyme.

BBC: Testing the cultural temperature

While Rodriguez rebounded from right hip surgery in March 2009 to help the Yankees to their first World Series title since 2000, Dr. Bryan Kelly said recovery from his operation on A-Rod's left hip this month will be more complex if for no other reason than it receives more stress because Rodriguez is a right-handed hitter.

WSJ: Latest A-Rod troubles have team frustrated

Proponents stress that its verification regime is more intrusive, complex and burdensome than any ever negotiated.

CENTERFORSECURITYPOLICY: Toxic treaty: how not to ban chemical weapons