What does kittera say is a threat to liberty?

Kittera argues that a significant threat to liberty is the encroachment of government overreach and excessive regulation, which can stifle individual freedoms and autonomy. He emphasizes that when authorities impose stringent controls, they undermine personal rights and freedoms essential for a democratic society. Additionally, Kittera highlights the dangers of complacency among citizens, warning that a lack of vigilance can lead to the erosion of liberties over time.