WASHINGTON — President Donald Trump’s pick for CIA director, whose role in its harsh former interrogation system imperils her nomination, told U.S. lawmakers on Wednesday she would never resume the program and would refuse any morally objectionable orders from Trump.The Senate confirmation hearing for Gina Haspel, the CIA’s acting director, was dominated by questions about her part in the spy agency’s use of methods such as waterboarding, a type of simulated drowning widely considered torture, more than a decade ago under President George W.