In government, as in life, things don't always go according to plan. Bills stall, disagreements cause gridlock, tax bills, like the one introduced this week by President Trump, are passed back and forth, changed and debated.
Things rarely run smoothly, and some sometimes, they're even dramatic. Congress can shut down the government. The Supreme Court can spend nearly a year with eight justices instead of nine.
Rules are broken and changed, and it affects everyone living in the U.S.