A sweep of nationwide protests outside state Capitols. A last-ditch lobbying campaign. Thousands upon thousands of emails, phone calls and personal appeals from Hillary Clinton supporters and other Donald Trump critics.

Trump’s fiercest opponents are pulling out all the stops to try to sway enough electors to abandon the Republican on Monday, when the Electoral College formally decides the next president.

It seems destined to fail. Only one or two electors across the nation have signaled they might reject Trump and an Atlanta Journal-Constitution survey of Georgia's 16 GOP electors showed no sign of defiance. Michael McNeely, one of the Georgia electors, said the appeals he and others are receiving are headed to the dustbin.

More: Georgia GOP electors are standing by Donald Trump

“The people have spoken, and we’re going to do our duties as Georgia electors to vote for Donald Trump on Monday,” said McNeely, who is the vice-chair of the Georgia GOP. “It’s imperative that we support the incoming president and the conservative principles that work for all Americans.”

Despite the long odds, though, Trump's opponents are planning to protest Monday in Atlanta and 49 other state capitals to try to pressure members of the Electoral College. And about 40 people gathered Sunday at the statehouse steps to urge electors to ditch Trump.

More: Anti-Trump groups step up pressure on Georgia electors

They argue that Clinton’s victory in the popular vote – she leads Trump by more than 2.8 million votes – should make the Democrat president.

"Donald Trump presents a grave threat to the security of our country," said Shannon Lowe, one of the organizers of a demonstration set for Monday. "And by gathering, attendees can give them the courage to vote their conscience, instead of for party."

Trump, meanwhile, complained of a double standard on Twitter: