title: 'This has been the most difficult test for me':President Barack Obama interviewd by Karen Tumulty.
authors.forename: Barack
authors.initials: B
authors.lastname: Obama
mesh_terms: D000288:Administrative Personnel / Q000523:psychology*; D035082:Federal Government; D018166:Health Care Reform; D006801:Humans; D007857:Leadership; D014481:United States