Taxes up, taxes down: impact of spending package unclear / 'It's going to be messy': Americans on how Trump's tariffs are shaping their spending / Reality is forcing a shift in America's tax and spend debate / Why are Americans spending so much? / Lower-income Americans are spending at higher rates / Warning to Willis: Treasury's grim cocktail of tax hikes, spending cuts and asset sales to fix books / Rachel Reeves: Treasury will 'hardwire' growth into tax and spending decisions