Congress looks to restrict the charitable tax deduction & Trump wants to end the prohibition on endorsing candidates (which could come back to bite him):

http://www.forbes.com/sites/ashleaebeling/2017/01/31/this-may-be-the-last-year-you-get-a-charitable-tax-deduction/#1ab870535cdd

https://www.philanthropy.com/article/Trump-Vows-Again-to-End/239088?cid=pt&utm_source=pt&utm_medium=en&elqTrackId=34d5cd0069724a9993f3b869c81e0264&elq=7671469540734e108b210e237d30ebee&elqaid=12415&elqat=1&elqCampaignId=5046