The Obama administration may have relied much more heavily on Romney’s Massachusetts healthcare legislation as a blueprint for Obamacare than was previously believed. White House visitor logs obtained by NBC News revealed that three of Romney’s healthcare advisers had up to a dozen meetings with senior administration officials, including one in the Oval Office presided over by President Barack Obama. “They really wanted to know how we can take that same approach we used in Massachusetts and turn that into a national model,” MIT economist and Romney healthcare adviser Jon Gruber told NBC. What’s more, the records show Gruber was...