What We're Watching as 5 States Hold Crucial Primaries  —  Voters in Florida, Illinois, Missouri, North Carolina and Ohio cast crucial ballots in the race for the presidency on Tuesday.  Here are some of the things we will be watching.  —  The end or the beginning?

Trump campaign manager's behavior prompted staff concerns  —  Donald Trump's staff and advisers have expressed concerns about campaign manager Corey Lewandowski's quick temper and heavy-handed leadership, and some even planned a coup against him last month, sources involved in the discussions told POLITICO.

Military Times survey: Troops back Donald Trump, Bernie Sanders for president  —  In an exclusive survey of American military personnel, Donald Trump and Bernie Sanders emerged as active-duty service members' top choices to become the next commander in chief.

Clinton: 'We didn't lose a single person' in Libya  —  Hillary Clinton on Monday defended the intervention in Libya that she championed as secretary of state, telling MSNBC's Chris Matthews that the United States “didn't lose a single person.”  —  “Libya was a different kind of calculation.

Will Partisanship Undermine the Judiciary?  —  Samuel Chase—"Old Bacon-Face"—was probably the most partisan justice in Supreme Court history.  While sitting as a circuit judge, he'd make partisan speeches from the bench and drive lawyers out of his courtroom—before clapping their Jeffersonian clients into jail.

Ben Carson to Newsmax: I'm Promised a Spot in Trump Administration  —  Dr. Ben Carson revealed on Newsmax TV Monday that he will work in Donald Trump's administration — at least in an “advisory capacity” — if the Republican presidential front-runner is elected to the White House.

Working-Class Whites Have Moral Responsibilities — In Defense of Kevin Williamson  —  This weekend, my colleague Kevin Williamson kicked up quite the hornet's nest with his magazine piece (subscription required) that strikes directly at the idea that the white working-class (the heart of Trump's support) is a victim class.

A King in His Castle: How Donald Trump Lives, From His Longtime Butler  —  PALM BEACH, Fla. — Everything seemed to sparkle at the Mar-a-Lago estate here on a recent afternoon.  The sun glinted off the pool and the black Secret Service S.U.V.s in the circular driveway.

Tech mogul accused of keeping ex-stripper as sex slave for 13 years  —  A Silicon Valley venture capitalist has been sued for $40 million by a woman who claims he used her as a virtual sex slave for 13 years.  —  Michael Goguen, who had worked for a firm that funded Google and Paypal …

Trump's Fundraising for Others Left Deep Roots  —  The Palm Beach County GOP hopes to raise more than $300,000 at an upcoming event where Trump will deliver the keynote.  —  He might be self-financing his campaign, but Donald Trump is no stranger to political fundraising.

The Note: High Stakes Tuesday Is Here  —  In the biggest day of voting since Super Tuesday, Americans in five states and one territory head to the polls today to cast their ballots for the presidential nomination.  More states and delegates may have been up for grabs on March 1 …

A Situation in Which Donald Trump Wins the White House  —  The specter of further violence at Donald J. Trump's campaign events has amplified warnings from his Republican opponents: If nominated, the bombastic billionaire simply couldn't win the presidency.  —  “A disaster” for Republicans …

Trump Campaign Conducting Background Checks On Volunteers  —  Donald Trump's campaign informed aspiring volunteers Sunday night that they would have to pass background checks and sign non-disclosure agreements if they wanted serve in the Trump Tower Call Center in Manhattan.