America's best intelligence officials believe the first 12 months of Obama's presidency will be a period of critical vulnerability.

During the first months of Aquino's presidency, the country experienced radical changes and sweeping democratic reforms.

Nelson's confirmation in the last month of Tyler's presidency was a surprise.

During the seven months of his presidency in 1991, the flow of boat people all but dried up.

What we do know is that in those first seven months of his presidency he did not take his job seriously.

During the first months of his presidency, the pressure to adopt a more aggressive policy mounted.

The last months of Sadat's presidency were marked by internal uprising.

Unilateral elements were evident in the first months of Bush's presidency.

Mr Bush had just completed the most successful six months of his presidency.

She enlisted in the last month of Bill Clinton's presidency.