Frank Jordans, The Associated Press BERLIN (AP) — The head of Germany’s domestic intelligence agency warned Monday of a rise in anti-government extremism – fueled by authoritarian states such as Russia – that seeks to divide society and topple the government. German security agencies have disrupted several plots in recent years by small groups linked to the Reich Citizens movement accused of planning attacks on critical infrastructure, government officials and even the national parliament. While it is unclear how far advanced such plans were, authorities have expressed alarm that the alleged plotters had acquired weapons and included people who aren't…