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First up today: Updates on Donald Trump's embarrassing Tuesday jaunt to hurricane-torn Puerto Rico, where the official death toll has now doubled from 16 to 34, as 3.4 million U.S. citizens on the island still face desperate circumstances with food and water shortages and 95% of the island still without power two weeks after Hurricane Maria (despite Trump's bizarre claims to the contrary). A few updates on what little more we now know about the massacre in Las Vegas on Sunday, the lack of a known motive for the deadliest mass shooting in modern U.S. history, and the shamefully transparent attempts by both the White House and the Republican Congress to avoid any legislative policy action in its wake.\xa0 Then: democracy advocates describe it as one of the most important cases to be heard by the U.S. Supreme Court in years. Oral arguments in 'Gill v. Whitford' were heard on Tuesday. That is the case where a three-judge federal court determined the state of Wisconsin had used severe (and secret) partisan gerrymandering to redraw district maps after the 2010 census. In so doing, despite receiving a minority of votes (48.6%) after the new maps were drawn, Republicans gained an extraordinary 60-to-39 majority in the State Assembly. The GOP is now appealing that ruling to SCOTUS, which has held racial gerrymandering to be unconstitutional in the past, but has never ruled on whether partisan gerrymandering, as in this case, violates the Constitutional rights of voters to representation. We're joined by the man who wrote the book on modern-day gerrymandering, David Daley, author of 'RatF**ked: The True Story Behind the Secret Plan to Steal America's Democracy'. Daley was inside the Courtroom on Tuesday for the hearing, and explains the high stakes case that could result in court challenges to electoral maps in every state in the country, the arguments presented both sides in the matter, and how Justice Anthony Kennedy will most likely determine the course of U.S. democracy for decades to come, thanks to the Republicans' stolen 5 to 4 majority on the Supreme Court itself...