US ambassador to Pakistan Anne W Patterson called on Prime Minister Syed Yousuf Raza Gilani here and discussed various issues including Pak-US strategic negotiations, the PM’s upcoming US visit and the bilateral ties, Geo News reported Saturday. Both the leaders mulled over matters relating the regional situation including anti-terrorism war and the rehabilitation of the IDPs at a meeting held at the PM House. The leaders agreed on the establishment of long-term and enduring relations between the two countries and boosting the bilateral cooperation in various sectors. It should be mentioned that Pak-US strategic negotiations would be held from March 24. And the PM Gilani will visit the US next month.