The president may, however, have an ace up his sleeve — and the very possibility that he might play it has liberals panicking. "If they never get the SAVE America Act done, you have the right to declare a national security emergency for elections." "The Supreme Court ruled in 1983 under Reagan ... — INS versus Chadha — that if you declare a national security emergency as the president of the United States, they can't challenge it. Because the president would presumably veto congressional efforts to undo their decisions, Congress needs two-thirds of each chamber to override a presidential veto." Failed presidential candidate Joe Walsh also got agitated, writing, "Here’s the deal Democrats, the time to stop Trump from declaring some bulls**t national security emergency is NOW.