?Chancellor Friedrich Merz was clinging to power on Monday after his conservative party tumbled to ?its ?worst regional election defeat in postwar Germany and members of his coalition clashed over his unpopular reform agenda. Merz himself described Sunday's loss in the northeastern state of Mecklenburg-Western Pomerania as a "disaster" after his Christian Democrats (CDU) missed the minimum threshold to enter the regional parliament.The far-right Alternative for Germany (AfD) took first place. While it fell well short of a majority, it was the second time it had ?topped a state election within a month and sees its regional wins as building...