With Ireland now having returned a 'yes' vote, though, the outside pressure on Mr Klaus to sign will intensify once more. This will increase yet further if the constitutional court throws out the challenge from Mr Kubera and his fellow senators within weeks rather than months, as many predict it will. Last week, the German ambassador to the Prague held a private meeting with the court's senior judge, which angry Eurosceptics claim was an attempt by Berlin to hurry the process along.