In the wake of the Brussels terror attacks, Leading U.S. Republican presidential candidate Donald Trump fleshed out aspects of his national security strategy that include weighing whether NATO is obsolete, an emphasis on the virtues of unpredictability on the part of an American president, the potential use of nuclear weapons against Islamic State as a last resort and a single-minded focus of earning the respect of Muslims around the world. "They have to respect us," Trump said of Muslims in a wide-ranging interview with Bloomberg's Mark Halperin and John Heilemann set to air in its entirety on Wednesday's episode of "With All Due Respect."