i believe sign (becomes a law) or veto it (goes back to either the senate or congress, where, if the veto is overridden in both with a 2/3 percent vote in each, it becomes a law)
He eats the bill
it reaches obamma after the judicial branch approves it.
No. The President can only veto a bill after it has passed both houses of congress. He can not touch it until it reaches that point. At that point he either signs it or vetoes it. If a senator or representative proposes a bill, the president has nothing to do with it.
president or vice president
The president may either sign the bill into law or veto it.
Veto
When the president veto's a bill, he must return the bill to the members of congress. Congress can then vote again or change the bill.
A member of the house of representatives, the President, or the Vice-President
the president
Before a bill can become law it must have the signature of the president. The president may choose not to sign the bill, effectively vetoing it.
Nothing, this would be fake money. There is no such thing as a president bush dollar bill; you may be thinking of another president.
The President may veto any bill that's presented to him as having passed both houses of Congress. Congress may override that veto, in which case the bill becomes law. The President may not "reverse" a law. However, the President might try to avoid enforcing the law.