On one level, the case brought before the Supreme Court is about gerrymandering. But on a broader level, it’s about a theory that would completely reorient the relationship between the federal and state governments and upset the ordinary checks and balances.Guest: Adam Liptak, a correspondent covering the Supreme Court for The New York Times.Background reading: The Supreme Court justices are considering whether to adopt the “independent state legislature” theory, which could give state lawmakers nearly unchecked power over federal elections.For more information on today’s episode, visit nytimes.com/thedaily. Transcripts of each episode will be made available by the next workday.