BERLIN (AP) — She's been named the world's most powerful woman, seen off a series of domestic rivals and led an unsentimental response to Europe's debt crisis. But to many Germans, Chancellor Angela Merkel is a reassuring figure known simply as "Mutti" — Mom. Beyond her bold decision to allow in large numbers of migrants and her insistence on budget cuts in Greece, Merkel's more ordinary traits have helped make her an enduring presence and favorite to win a fourth term in Germany's Sept. 24 election. Merkel is not the most glamorous of political operators. But that's part of her appeal.