Question: This is not meant to suggest that costs have not been studied extensively.
The costs have been studied quite a bit but there may still be concerns.

Answer: it is not possible to tell

Question: It begins with video clips of Clinton contradicting himself on how long it will take to balance the budget.
A video clip shows Clinton contradicting himself on how long it will take to balance the budget.

Answer: yes

Question: not really i think i mean it's kind of unwritten but i think we're supposed to wear hose and and shoes you know most of the people do anyway
there's not a formal dress code, but we're supposed to look nice; most people wear hose and shoes

Answer:
it is not possible to tell