The former president vows to help Biden ‘in any ways that I can’ but details toll his position took on wife’s law careerBarack Obama would not take a position in Joe Biden’s cabinet if the president-elect offered it – because if he did, he fears, Michelle Obama would leave him.The 44th president made the remark in an interview with CBS Sunday Morning, two days ahead of publication of his memoir, A Promised Land. He was due to speak to CBS again, for 60 Minutes, on Sunday night.Biden, Obama’s vice-president from 2009 to 2017, is preparing to become the 46th president in January, having defeated Donald Trump at the polls.Asked how he will help Biden, Obama said: “He doesn’t need my advice, and I will help him in any ways that I can. Now, I’m not planning to suddenly work on the White House staff or something.”Susan Rice and Michelle Flournoy are among Obama administration veterans reportedly being considered for key posts under Biden.Asked if he would consider a cabinet position, Obama s...