The mystique antennae start waving when a Princeton- and Harvard-educated attorney describes her upcoming role as ‘Mom-in-chief.’ First Lady to be Michelle Obama is approaching her new job in a distinctly retro way, turning down the volume and retreating from a public role in the Obama administration. She is obliquely assuring a public mistrustful of powerful women that she will not emulate Hillary Clinton. Obama will set fashion trends, not policy direction.