Senate Republicans threaten to block Trump on Mexico tariffs, deputy at Parkland school shooting is arrested, and red and white meats are equally bad for cholesterol, study finds.

Why are certain Republicans starting to pull for a Bernie Sanders Democratic nomination? Burgess Everett from POLITICO has the latest.

Josh Siegel from the Washington Examiner explains how Republicans plan on taking over climate change.

Republicans are looking to get better at playing identity politics. Josh Kraushaar from the National Journal brings us the latest.

Rick Newman from Yahoo! Finance explains how lawmakers should go about fixing health care.

Todd Ruger from Roll Call and Gordon Deal discuss how Robert Mueller's probe could spark a historic balance of powers debate.

Gabby Orr from POLITICO explains how the President and fundraisers plan on using the Mueller report to their advantage.

Jeff Mordock from the Washington Times and Gordon Deal discuss what's next for Republicans and Democrats after the Mueller report.

The Green New Deal proposed by Democrats is being held up by Democrats. Ledyard King from USA Today has the story.

Can Republicans make up any ground in New England in 2020? Simone Pathe from Roll Call has the story.

Jerry Seib from the Wall Street Journal explains how the wall debate has highlighted a deep cultural divide in America.

Boston Globe columnist Jeff Jacoby offers a solution to the country's unhealthy, dragged-out presidential campaigns.

Alexander Bolton of The Hill explores the Senate Majority Leader's new role under President Trump.

Joshua Jamerson from the Wall Street Journal breaks down races to keep an eye on during today's midterm elections.

GOP supporters are hoping the Amish could give Republicans a boost during tomorrow's elections. The Washington Times' Dave Boyer gives us a look.

Toss up races dominate battle for the Senate. Lisa Hagen from The Hill has the story.

Ted Cruz is playing nice with his fellow Republicans. James Arkin from POLITICO explains why.

USA Today congressional reporter Eliza Collins joins us from Capitol Hill to discuss the reviewing of the FBI report results.

Republicans plan to push ahead on Kavanaugh confirmation, U.S. ready to resume North Korea talks, and how spending money on expensive stuff can make you happier.

Rick Newman of Yahoo! Finance explains that both Democrats and Republicans are now lurching toward anti-capitalist statism, with the main difference being how the government should control the economy.

Forget taking the high road. Listen as The Hill's Mike Lillis tells Gordon how Democrats are embracing Michael Avenatti's call for the party to get more aggressive in the Trump era and hit back harder than the GOP when responding to attacks.

Listen as the Wall Street Journal's Reid Epstein tells Mike Gavin why an endorsement from President Trump is seen as key to winning a competitive Republican primary.

Listen as Real Clear Politics' Caitlin Huey Burns tells Jennifer why some female GOP candidates aren't playing the gender cards in their historic runs.

Reid Wilson of The Hill explains why both parties are nervous about their own prospects and almost fearful of what is still to come.

Listen as the Washington Post's Michael Scherer tells Gordon how President Trump's controversies this summer have complicated election campaigns for Republicans.