“Millions of middle-class donors will be effectively shut out from claiming any charitable deduction under the new tax law . . . [while] the wealthy will get a still larger share of the tax benefit, even when sacrificing a smaller share of their income:”  https://www.politico.com/story/2018/01/13/gop-tax-law-charities-giving-339039?elqTrackId=e3cdad3c2e2e4e47b44751da20941165&elq=f028b8c0398045048f9e7036877bf7a9&elqaid=17452&elqat=1&elqCampaignId=7639