Crisis deepens as Trump floats 20 percent tax on Mexico goods to pay for wall

By Steve Holland and Miguel Gutierrez PHILADELPHIA/MEXICO CITY (Reuters) - U.S. President Donald Trump could pay for a wall on the southern border with a new 20 percent tax on goods from Mexico, the White House said on Thursday, deepening a crisis after plans for a summit with the Mexican president fell apart. Trump wants the measure to be part of a broader tax overhaul package that the U.S. Congress is contemplating, White House spokesman Sean Spicer told reporters on Thursday. Just through tha