By Paritosh Bansal and Michel Rose DAVOS, Switzerland, Jan 20 (Reuters) - European leaders, rattled by Donald Trump's latest global gambit, are looking to present a united front in Davos, as CEOs warned against an emotional response to the U.

DAVOS, Switzerland (AP) -- Nearly 3,000 high-level participants from business, government and beyond plus untold numbers of activists, journalists and outside observers are converging in the Swiss town of Davos for the World Economic Forum's annual meeting.