ISLAMABAD: As the nation observed Youm-i-Takbeer on Tuesday, Prime Minister Shehbaz Sharif and Acting President Yusuf Raza Gilani hailed the nation’s “unwavering determination” to make Pakistan a nuclear power under the “bold leadership” of then-premier Nawaz Sharif. Youm-i-Takbeer is observed on May 28 to commemorate the historic day in 1998 when Pakistan joined the ranks of nuclear powers after atomic …