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Good morning.

Here’s what you need to know:

Cutting taxes is hard. Trump could make it harder.

• President Trump is set to visit Capitol Hill today to discuss a Republican plan for the most sweeping tax overhaul in decades.

But the proposal’s supporters say they’re concerned that the president will undermine the effort. On Monday, Mr. Trump said he would oppose reducing the amount that Americans can save in 401(k) retirement accounts, which had been one of the ideas to help pay for a $1.5 trillion tax cut.

• Here are six ways Congress could fund such a cut.