A box of yellowed letters written in the 1960s by a self-absorbed, angst-ridden university student with a penchant for long words and philosophising has given intriguing insights into the author - the future Senator Hillary Clinton. They were written by Mrs Clinton, the favourite to win the Democratic presidential nomination, between 1965 and 1969 when she was a student at Wellesley College, Massachusetts, and was keeping in touch with an old school friend called John Peavoy. The assured, fiercely disciplined politician had then "not yet reconciled myself to the fate of not being the star" at university and was unimpressed...