USA Secretary Hilary Clinton and Defense Secretary Robert Gates on Face the Nation

USA Secretary of State Hilary Clinton and Secretary of Defense Robert Gates, give some clear insights into US President Barack Obama's decision to send 33,000 more troops to Afghanistan.

Why the withdrawal deadline?
What are the forces going to do?
With a $Trillion $dollar deficit already, can the USA afford to send this many troops?

These and other questions are put to the Secretaries of State and Defense by CBS News Chief Washington Correspondent Bob Schieffer, followed by Bob's final word on "Understanding Tiger".

Secretary of State Hilary Clinton and Secretary of Defense Robert Gates