Close the obstruction investigation!

Andrew McCarthy writes at National Review,

...under the rationale adopted by the IG with the implicit endorsement of the Justice Department, there is no basis for a prosecutor to investigate the president for obstruction. Even if it were the special counsel’s place to analyze the chief executive’s motivation in exercising his constitutional prerogatives (and it is not), there were patently legitimate reasons to support the president’s actions; in light of his broad discretion, the Justice Department must assume he acted on them.

So the obstruction investigation should be closed. Should Special Counsel Mueller fail to close it, Deputy Attorney General Rosenstein ought to be summoned by Congress to testify, specifically on this question: If the Justice Department accepts IG Horowitz’s premise that it must not second-guess the discretionary decision-making of FBI and Department officials when there are legitimate grounds to support their decisions, on what basis may a special counsel second-guess the president’s decision-making when — as Rosenstein himself has argued with respect to Comey — there are legitimate grounds to support the president’s decisions?

Read more here.