* Abe to be sworn in Wed, to select allies for cabinet. * BOJ minutes show some called for action if econ worsens. The yen sank to a 20-month low in Asian trading on Wednesday, as Shinzo Abe prepared to assume Japan's helm with a mandate to weaken its currency and push for more drastic monetary and fiscal stimulus. Overall activity was thin, after most global financial centres were closed for the Christmas holiday. All G10 markets except Japan were closed on Tuesday, and only Japanese and U.S. markets were to open on Wednesday. The dollar rose as high as 85.38 yen on the EBS trading platform, its highest since April ... (full story)