We could tell them do not cross that bridge until you come to it.
VOA: special.2009.08.30
When you cross the river, do not walk on the ice.
VOA: special.2010.06.26
Besides scheduling greater time intervals between flights, routes will be modified so flight paths donotcross, or so they cross only at different altitudes.
An appeal court judgment upheld the Employment Appeal Tribunal's finding that banning Ms Eweida from wearing a cross was not discriminatory because Christians "generally" donot consider wearing a cross as a requirement of their religion.
The differences in regional broadcast content and the lack of scale internationally also create significant hurdles that donot seem possible to cross at this point.