Article snippet: President Paul Ryan has argued for a 22.5 percent rate. Trump explained Wednesday that 20 percent was the number he hoped to achieve all along. "I wanted to start at 15 so that we got 20," Trump told reporters prior to departing for Indiana on Wednesday. "It just -- the numbers were -- 15 was so low we didn't take in the revenue. But I wanted 15, so we got 20 -- 20 is my number. So I'm not negotiating that number. I really -- I am not going to negotiate." Trump said his plan is based on four principles: making the tax code simple and fair, cutting taxes "tremendously" for the Obamacare replacement plan. Three members of the Senate said they wouldn't approve the measure, effectively killing the bill. Sen. Lindsey Graham, R-S.C., one of the sponsors of the health care legislation, vowed to return to the issue after tax overhaul efforts. Link to the full article to read more