He also indicated that he would be willing to reject legislative proposals he considered unacceptable.
Speaking to Fox News following Republican election losses, Trump said he would veto bills he regarded as unreasonable.
However, he also suggested that repeated disagreements might ultimately encourage negotiations between the two parties.
His remarks provide a possible explanation for the red hat, although he has not explicitly confirmed that the image was intended as a response to the election results.
What happens when a president vetoes legislation?
Under the United States Constitution, the president has the authority to reject legislation approved by Congress.
An ordinary presidential veto sends a bill back to lawmakers with an explanation of the president’s objections.
But a veto does not necessarily mean the legislation is permanently defeated.
Congress can override the president’s decision if both the House of Representatives and the Senate vote to approve the bill again by a two-thirds majority.
Another procedure, known as a pocket veto, can occur when Congress adjourns under circumstances that prevent the president from returning a bill within the constitutionally established period.
Unlike an ordinary veto, a pocket veto cannot be overturned through a congressional override.

