Good morning. Welcome to Morning, Joe, a live look at New York City as we hit the top of the hour.

It is Wednesday, the first day of June. It has been eight days now since the massacre inside of elementary school in Yvalde, Texas, and officials once again offering a new account of the moments before the gunmen

entered the school. We'll have the latest on that. Plus, investigators looking into the police

response to the shooting say they now are having a hard time connecting with the commander who

delayed efforts to go in and kill the gunman. This says that very same commander quietly took his place on the city council last night.

We'll have details there.

Plus, a major defeat for the Trump-backed Durham probe, as special counsel John Durham

loses the first major case in his investigation into the origin of the Trump-Russia probe.

And new developments out of Ukraine,

as President Biden reverses course, saying the United States will, in fact, send advanced rocket

systems to the war-torn country. We'll have more on what changed the president's mind there.

Along with Joe and me this morning, we've got MSNBC contributor Mike Barnacle, MSNBC political analyst Elise Jordan, and the former chairman of the Republican National Committee, Michael Steele.

We will begin in Texas, where the official account has changed again about how the gunmen who killed 19 children and their two teachers entered that school in Yuvalde.

Last Friday, you'll remember, the director of the Texas Department of Public Safety said

a teacher had propped open the door through which the gunman entered the school.

Well, now the agency says the teacher had come back to close the door, but it just failed

to lock.

This new account comes after an

attorney for the teacher told the San Antonio Express News, the teacher did prop open the door

using a rock so she can carry food from her car into the school. But when she saw the gunman

crash his car into a ditch, she went back inside to get her phone to report the crash to police.

The attorney says when the teacher heard people at the funeral home across the street yell

...