On Tuesday, dozens of protesters gathered in Hong Kong to voice their opposition to possible changes to China's constitution. The ruling Communist Party proposed on Sunday to remove a constitutional clause that limits presidents to two terms in office. This would enable President Xi Jinping to remain in office indefinitely. And a new official political theory bearing Xi's name is expected to be written into the party's constitution, one that's similar to President Trump's promise to "Make America Great Again." How would Xi make China Great Again?