Just as the Obama administration continues to reel from three major scandals, Republicans are zeroing in on yet one more — this one involving Obamacare as it nears implementation. GOP legislators are targeting Human Services Secretary Kathleen Sebelius and the solicitations she made to some of the nation’s top insurance companies and other groups for donations to Enroll America, the nonprofit group charged with selling Obamacare to the public. “Our guys on the Hill think this is the fourth scandal,” Republican strategist Matt Mackowiak told Reuters this week. “It fits into that narrative Republicans are building not only about incompetence...