AMNA NAWAZ: Just one
month until the first
Democratic presidential
debate, and the crowded

field of contenders spent the
three-day weekend crisscrossing
the country talking to voters.

Lisa Desjardins has our report.

LISA DESJARDINS: A somber
Memorial Day for the Democrats
who hope to become commander

in chief.

SEN.

AMY KLOBUCHAR (D-MN),
Presidential Candidate:
Thank you, everyone.

LISA DESJARDINS: Minnesota
Senator Amy Klobuchar
stood in the rain at a
ceremony in Minneapolis.

SEN.

AMY KLOBUCHAR: We tell the world
who we are as a country by how
we honor our fallen heroes.

LISA DESJARDINS: Vermont Senator
Bernie Sanders began his normal
stump speech in New Hampshire

with a tribute.

SEN.

BERNIE SANDERS (I-VT),
Presidential Candidate:
I do want to begin by
having all of us remember

the over one million men
and women who lost their
lives in America's wars.

LISA DESJARDINS: This during
a new military move, President
Trump's decision to send 1,500

U.S. troops to the Middle East
amid growing tensions with Iran.

PETE BUTTIGIEG (D), Presidential
Candidate: Escalation is the
last thing we need in the

Middle East right now.

LISA DESJARDINS: South Bend,
Indiana, Mayor Pete Buttigieg,
a war veteran, addressed the

issue Sunday on
ABC's "This Week."

He faulted the president's
national security adviser.

PETE BUTTIGIEG: The
administration, driven, by
the way, by John Bolton,
one of the architects

of the Iraq War, is
continuing to try to
prosecute a case to lead to
higher tensions, escalation

and perhaps conflict with
Iran, as though we learned
nothing from the last 15 years

of armed conflict.

LISA DESJARDINS: Former Texas
Congressman Beto O'Rourke
voiced his concerns on CBS'

"Face the Nation."

BETO O'ROURKE (D), Presidential
Candidate: President Trump
is escalating tensions, is

provoking yet another
war in the Middle East.

LISA DESJARDINS: Meanwhile,
President Trump, overseas
in Tokyo, blended
foreign and domestic

politics together.

He pointed to a statement last
week by the North Korean state
media, working for leader

Kim Jong-un.

It called former Vice President
and presidential hopeful Joe
Biden a -- quote -- "fool of low

I.Q."

DONALD TRUMP, President of
the United States: Kim Jong-un
made a statement that Joe Biden

is a low-I.Q. individual.

He probably is,
based on his record.

I think I agree
with him on that.

LISA DESJARDINS: Meantime,
in Iowa today, Massachusetts
Senator Elizabeth Warren focused

on tackling corruption.

SEN.

ELIZABETH WARREN (D-MA),
Presidential Candidate:
Now, when you see a
government that works

great for those with
money, a government that
works for those who can
hire an army of lobbyists

and lawyers, but it's
not working for everyone
else, that is corruption,
plain and simple,

and we need to call
it out for what it is.

(CHEERING AND APPLAUSE)

LISA DESJARDINS: Yesterday,
New York City Mayor Bill de
Blasio took to CNN to make his

case as a candidate,
saying he knows how to
take on the president.

BILL DE BLASIO (D),
Presidential Candidate: I
have watched him for decades.

I understand his game plan.

I understand his tricks
and his strategies.

And I do get under his skin.

LISA DESJARDINS: The first
Democratic primary debates are
now less than one month away.

For the "PBS NewsHour,"
I'm Lisa Desjardins.