WASHINGTON — A top counterterrorism official’s resignation over the Iran war has put the spotlight on his boss and political ally, National Intelligence Director Tulsi Gabbard, who built her political career as an outspoken critic of “regime change” wars. Gabbard will be in the hot seat Wednesday when she testifies before the Senate Intelligence Committee, a day after Joe Kent, the head of the National Center for Counterterrorism, announced he was stepping down because he could not in “good conscience” support the war and because “Iran posed no imminent threat to our nation.” Kent was among the officials in the administration, including Gabbard and Vice President JD Vance, who view themselves as “restraint-minded” Republicans wary of more open-ended wars like those waged in Afghanistan and Iraq.…