SCHEDULE 13G

CUSIP 651448102

Page 9 of 9 Pages

EXHIBIT B

POWER OF ATTORNEY

KNOW ALL MEN BY THESE PRESENT, that I, Larry Robbins, hereby make, constitute and appoint Mark J. Horowitz, acting individually, as my agent and attorney-in-fact for the purpose of executing in my name, (a) in my personal capacity or (b) in my capacity as Chief Executive Officer or in other capacities of Glenview Capital Management, LLC, a Delaware limited liability company, and each of its affiliates or entities advised or controlled by me or Glenview Capital Management, LLC, all documents, certificates, instruments, statements, filings and agreements (“documents”) to be filed with or delivered to any foreign or domestic governmental or regulatory body or required or requested by any other person or entity pursuant to any legal or regulatory requirement relating to the acquisition, ownership, management or disposition of securities, futures contracts or other investments, and any other documents relating or ancillary thereto, including, without limitation, all documents relating to filings with the United States Securities and Exchange Commission (the “SEC”) pursuant to the Securities Act of 1933, as amended, or the Securities and Exchange Act of 1934, as amended (the “Act”), and the rules and regulations promulgated thereunder, including, without limitation: (1) all documents relating to the beneficial ownership of securities required to be filed with the SEC pursuant to Section 13(d) or Section 16(a) of the Act, including, without limitation: (a) any acquisition statements on Schedule 13D or Schedule 13G and any amendments thereto, (b) any joint filing agreements pursuant to Rule 13d-1(k), and (c) any initial statements of, or statements of changes in, beneficial ownership of securities on Form 3, Form 4 or Form 5 and (2) any information statements on Form 13F required to be filed with the SEC pursuant to Section 13(f) of the Act.

All past acts of the attorney-in-fact in furtherance of the foregoing are hereby ratified and confirmed.
This Power of Attorney revokes the previous Power of Attorney, executed by the undersigned on February 10, 2009, and shall remain in effect until revoked, in writing, by the undersigned.

IN WITNESS WHEREOF, the undersigned has executed this Power of Attorney, this 2nd day of February, 2016.

/s/ Larry Robbins

Larry Robbins