This week’s highlights: Cinco de Mayo, National Climate Assessment, and #BringBackOurGirls. Have a listen to Rodrigo y Gabriela performing Tamacun while perusing this week’s tweets on nonprofits, philanthropy, governance and social enterprises:

• Gene: White House, Politics Played No Role In IRS Targeting, Dem Report Says via Huffington Post Politics
• National Council of Nonprofits: NASCO’s [National Association of State Charity Officials’] comments on the proposed new Form 1023-EZ
• Greg Colvin: #2 on the Top25 Comments #IRS proposed c4rules is none other than @BrightLinesProj. See what all the fuss is about: Nonprofit Law Matters
• CalNonprofits: Learn how to get all the tax benefits for your nonprofit – FREE seminar in SF on 5/12: http://bit.ly/1pKQ9NP #nonprofitfinance
• La Piana Consulting: Communication tips for nonprofit mergers http://ow.ly/wypQG
• Emily Chan: Free webinar “Better Board Governance” on May 21 at 11 am (PDT) via Stanford Social Innovation Review http://bit.ly/1kTYd9Z
• Pete Manzo: Vital questions for nonprofits abt blurring sectors lRT @p2173 practical and existential challenges to nonprofits Chronicle of Philanthropy Blog
• Rick Cohen: Social Impact Bonds Not Well Received at Senate Budget Hearing – Nonprofit Quarterly
• McKinsey on Society: A must-read for #socents & nonprofits: “To Reach Transformative Scale, Transform the Conversation” http://ow.ly/3jUVoh
• Gene: Can Silicon Valley teach nonprofits how to save the world? [or can nonprofits teach SV?] Washington Post
• The White House: Check out the new National Climate Assessment: A region-by-region breakdown of climate change impacts → http://GlobalChange.gov  #ActOnClimate