Britain’s Barack Obama has his own White House. That is the name of two-faced Chuka Umunna’s trash-free £1 million Ibiza hideaway. His people have refused to deny that the jet-setting Streatham MP camped out at the villa, complete with a tree-lined pool, as the trash story broke last week. The Sun have visited the six-bedroom pad, right next to Ibiza’s supercool party zones. Apparently Chuka visits regularly “with pals”, locals say their sometime neighbour is “discreet”. This is two-faced Chuka’s secret life in Ibiza, a far cry from his trashy constituents back home…