Sentence:  `` All too frequently '' , points out James O' Gara , managing editor of Commonweal , `` Catholics run roughshod over Protestant sensibilities in this matter , by failure to consider the reasoning behind the Protestant position and , particularly , by their jibes at the fact that Protestant opinion on <WSD>birth</WSD> control has changed in recent decades '' . 
Meaning of the word marked with <WSD> tags:  limiting the number of children born