Original works by 30 artists have been commissioned by the Obamas alongside vital pieces of memorabilia for visitors to appreciate It is a tale of two presidents. On 14 June Donald Trump celebrated his 80th birthday by hosting a raucous crowd for Ultimate Fighting Championship (UFC) on the White House South Lawn. Four days later, on the eve of Juneteeth, Barack Obama will unveil a monument to his legacy that honours the audacity of art . For the Obama Presidential Center on the South Side of Chi