I also endorse the view-point of waqas. As it is obvious that the said issue is sensitive to the intensive extant, our Govt. shouldn't creates any sort of modification in blasphemy law without taking into confidence the Polyhistor Ulemas from throughout the country if any fraction exists in the same..
As far as the question of overseas Paki is concerned, I think (may be wrong), wont be affected hereunto.

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Two men look out of same prison bars;
One see mud and the other stars....:-)