Revived exchange program points up Pakistan's importance to US aims in Afghanistan.
New Delhi and Kashmir voted Thursday in Round 4 of staggered national polls.
The tenuous peace deal with the militants comes under increasing strain as Taliban take areas closer to Pakistan’s capital.
The umbrella organization includes many different groups fighting the Afghan government and Western forces.
Mohammed Momin Khawaja, the first man convicted under Canada's anti-terror laws, was involved with foiled bomb plot in Britain.
If militants are home-grown, domestic ambivalence about vilifying such groups could be diminished.