In 2011, city officials tried unsuccessfully to convince the state to change a "last-in-first-out" rule that dictates newer teachers must be laid off before those with more time on the job.

WSJ: Data Shows Teachers Stay in Job Longer

Last week the couple gave their first joint TV interview in which Willem set out how he intended to rule.

CNN: Dutch queen prepares to hand throne to son

Sunday's first stage takes in 198km from Liege to Seraing, with testing terrain likely to rule out the possibility of a bunch sprint.

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