You're a senator, and you introduce a bill which has passed both houses of Congress, but the President vetoes it instead of signing it. Can your bill still become law?
No, the President's veto is final.
Yes, if majorities in the House and Senate pass the bill again.
Yes, if 2/3 of the Senate and House vote to override the veto.Yes, if 3/4 of the House and Senate vote to override the veto.