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First Read's Morning Clips: Trump Stands By His Man

A roundup of the most important political news stories of the day
Image: Campaign manager Corey Lewandowski looks on as Republican presidential candidate Donald Trump speaks
Campaign manager Corey Lewandowski looks on as Republican presidential candidate Donald Trump speaks at a news conference on Aug. 25, 2015, in Dubuque, Iowa. Charlie Neibergall / AP File

OFF TO THE RACES: The latest in the Lewandowski controversy

Here's all the latest from NBC's Andrew Rafferty and Ali Vitali on the arrest of Trump top aide Corey Lewandowski.

Trump says he can't fire Lewandowski because he doesn't believe he can "destroy a man for that."

And from Leigh Ann Caldwell, here's some background on Trump's top aide and how he got into Trump's orbit.

Here's the latest on what both Donald Trump and Ted Cruz said about their previous pledges to back the GOP nominee.

NBC's Ari Melber reports that Marco Rubio is making the unusual move of trying to hold onto his delegates despite having exited the race. "He is personally asking state parties in 21 states and territories to refrain from releasing any of the 172 delegates he won while campaigning this year, MSNBC has learned."

POLITICO talked to the four early appointees of the GOP convention rules committee, and all said they were open to changing "Rule 40," which could limit alternatives to Donald Trump.

CLINTON: She's heading to New York to build support for the significant win she needs there.

Her latest campaign ad targets Donald Trump in New York and notes the state's diversity, saying "New York. Twenty million people strong. No, we don’t all look the same. We don’t all sound the same, either. But when we pull together, we do the biggest things in the world."

SANDERS: He's trying to shore up his support in the liberal stronghold of Madison.

TRUMP: The AP takes a 30,000 foot view of Trump's strategy: "Analysis: For Trump, few limits to win-at-any cost approach"

The Wisconsin establishment is uniting against him, the Wall Street Journal notes.

OBAMA AGENDA: Scalia's absence felt in union case

From the New York Times: "The Supreme Court handed organized labor a major victory on Tuesday, deadlocking 4 to 4 in a case that had threatened to cripple the ability of public-sector unions to collect fees from workers who chose not to join and did not want to pay for the unions’ collective bargaining activities. It was the starkest illustration yet of how the sudden death of Justice Antonin Scalia last month has blocked the power of the court’s four remaining conservatives to move the law to the right."

From the Wall Street Journal: "[T]he actions reveal a court struggling against the limits of its current composition—and suggest the powerful institution may recede from the aggressive role it has taken under Chief Justice John Roberts until the executive and legislative branches find a way to fill the vacancy left by February’s death of conservative Justice Antonin Scalia."

From POLITICO: "With small cracks emerging in the Republican Supreme Court blockade — and private indications from some GOP senators that they’d likely back Merrick Garland if he ever did come up for a vote — the White House is preparing to press its perceived political advantage when senators return from their recess next week.The next month will be all about meetings: The Supreme Court nominee will have met with 10 senators as of Wednesday, and the White House is looking to load his schedule full with the 52 additional senators (including 16 Republicans) who’ve said publicly they’ll see the judge once they're back from the two-week break."

Here's the Washington Post on some of the fallout from the Georgia and North Carolina decisions on social issues: "The ideological rifts breaking apart the Republican Party have moved into the states, where business leaders and evangelicals who have long coexisted in the GOP are suddenly at war over social issues such as gay rights and religious freedom. The escalating feud has been evident in recent days in Georgia and North Carolina, where Republican governors have taken opposite approaches to dealing with these two vocal constituencies."

From the AP: "Their moves highlight a familiar GOP fault line between business conservatives, led by large corporations that have embraced LGBT rights, and social conservatives, who have ramped up their calls for their own legal protections since the U.S. Supreme Court legalized same-sex marriage last year."