Good team leaders and CEOs are those who set smarter, more flexible goals, believes Beatrice Grech-Cumbo, talent practice leader with Aon Hewitt.

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The monitors provide plug- and-play convenience from a simple USB key and can be set in either a horizontal or vertical position for more flexible placement options.

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And he set out a vision for an "updated" European Union that is "more flexible, more adaptable, more open, fit for the challenges of the modern age" -- and said all options should be on the table to negotiate a new deal.

CNN: Cameron promises referendum on Britain's place in Europe