Could Elon Musk, who holds major sway in the incoming Trump administration, one day become president? On Sunday, Donald Trump answered with a resounding no, pointing to US rules about being born in the country. "He's not gonna be president, that I can tell you," Trump told a Republican conference in Phoenix, Arizona."You know why he can't be? He wasn't born in this country," Trump said of the Tesla and SpaceX boss, who was born in South Africa.The US Constitution requires that a president be a natural-born US citizen.Trump was responding to criticism, particularly from the Democratic camp, portraying the tech billionaire and world's richest person as "President Musk" for the outsized role he is playing in the incoming administration.As per ceding the presidency to Musk, Trump also assured ...