A new congressional report from the Joint Committee on Taxation says the wealthiest Americans – not the middle class – will benefit the most from Trump’s tax deduction for owners of “pass-through” businesses. The report says in 2018, $17.4 billion will go to Americans making $1 million or more who claim this deduction. NBC News National Political Reporter Jon Allen breaks down the numbers with Ali Velshi and why Republicans continue to campaign on these tax cuts