I think Lilygran explained it beautifully and I'm RC. Not sure what Papal infallibility has to do with it tho'. The teaching is, the Pope's infallibility only refers to matter of 'faith and morals' - is that any help? 
What has survived in your garden with minimal or no watering?
Burnham to tell schools in England to adapt teaching to local business needs- what do you think?
Daughter not allowed to know new baby’s name until she visits him


