Categories Articles Barack Obama Offers Trump Advice In Inauguration Letter: ‘American Leadership in This World Really is Indispensable’ Post author By crystalg Post date September 3, 2017 TIME Tags Advice, american, Barack, Inauguration, Indispensable, Leadership, Letter, Obama, Offers, really, this, Trump, World ← This chart shows the 17 US companies with the biggest piles of cash → ‘We have a lot more work to do’: Texas governor on Harvey recovery