Investors may be expecting a U.S. interest rate increase in December, but Federal Reserve policymakers remain divided over whether the economy is mired in a rut, strong enough to withstand an immediate hike or hovering somewhere in between. Speaking in the wake of the U.S. central bank's decision last week to hold rates steady, 10 Fed officials fanned out for appearances this week in a profusion of "Fedspeak" that markets and the public are trying to digest. The Fed raised rates last December for the first time in nearly a decade, and many investors currently expect it to raise rates again this December - but only ... (full story)