Heat waves hinder wildfire efforts

Record-breaking heat waves in the western U.S. have halted wildfire efforts. Meanwhile, heat-related deaths have ramped up in Arizona. Kris Van Cleave reports.

• Aug 27

Drastic water cuts issued for California, Nevada and Arizona from Colorado River

Federal officials announced sharp water cuts for the next two years on Friday for three Western states that rely on the imperiled Colorado River.

• Aug 22

Deadly heat wave bakes Arizona

Heat-related deaths in Arizona's Maricopa County have more than doubled since last year. Jason Allen visited a cooling center in Phoenix to see how the community is managing dangerous heat.

• Aug 20

Air traffic controller averts disaster

Two American Airlines jets in the same airspace briefly shared the same flight number and radio frequency. Luckily, the quick thinking of a veteran air traffic controller prevented potential catastrophe. Kris Van Cleave has the story.

• Aug 15

Questions about Nancy Guthrie ransom notes

Pima County Sheriff Chris Nanos told CBS News last Thursday that he didn't have a ransom note saying Nancy Guthrie was dead. But one day later he released a note saying just that. CBS News' Anna Schecter reports.

• Aug 3

Sheriff in Nancy Guthrie case contradicted himself on ransom note

Investigators in the disappearance of Nancy Guthrie released two ransom notes, including one contradicting what the Arizona sheriff overseeing the case told CBS News.

• Aug 3

Savannah Guthrie asks for answers about mom Nancy after notes released

Savannah Guthrie said she and her family have been "in agony and despair ever since" her mother Nancy's disappearance in February.

• Aug 1

Police release Nancy Guthrie ransom notes

It has been six months since Nancy Guthrie, the mother of "Today Show" co-host Savannah Guthrie, vanished from her Arizona home. Investigators have now released two ransom notes with "distinctive linguistic characteristics" and are asking for the public's help in identifying their writer.

• Aug 1

A timeline of Nancy Guthrie's disappearance as search stretches on

Savannah Guthrie's mom, Nancy Guthrie, was reported missing Feb. 1.

• Jul 31

Notes released in Nancy Guthrie case

For the first time, the Pima County Sheriff's Office released a pair of emails allegedly sent by Nancy Guthrie's kidnapper, who said she had died shortly after she had been abducted. Tom Hanson reports.

• Jul 31

3 states would face Colorado River water cuts under federal plan

Arizona, California, and Nevada would take less water from the Colorado River under a federal proposal to stave off a crisis in the river.

• Jul 31

Hair sample from Nancy Guthrie's home inconclusive as search hits 6-month mark

A hair sample found at the home of Nancy Guthrie came back inconclusive after undergoing testing, Pima County Sheriff Chris Nanos revealed Thursday.

• Jul 30

Sheriff discusses Nancy Guthrie case

Nearly six months after Nancy Guthrie was kidnapped from her home in Tucson, Arizona, Jonathan Vigliotti sat down with the sheriff at the forefront of the investigation.

• Jul 30

Savannah Guthrie asks alleged kidnappers to "do the right thing" in new video

In her Instagram post,​ the "Today" show host said her family had "done our part" and would "never stop looking for" their 84-year-old mother, Nancy Guthrie​, who has been missing since February​.

• Jul 27

Man, 83, who went missing near Grand Canyon rescued after overnight search

Multiple teams worked to find and rescue Gerald Guinn, 83, after he disappeared during a hike near the Grand Canyon.

• Jul 25

Amish Shah projected to win Arizona's 1st District Democratic primary

Democrat Amish Shah will be up against Republican Jay Feely in Arizona's 1st Congressional District in November.

• Jul 22

House moves to limit lawmakers' stock trades

The House on Wednesday passed a bill to restrict lawmakers from stock trading, along with the National Defense Authorization Act. Julia Manchester, White House correspondent for The Hill, and Dave Levinthal, senior editor for NOTUS, join "The Takeout" to discuss.

• Jul 22

Trump-backed candidates win big in Arizona

Arizona candidates backed by President Trump swept the state's primary elections on Tuesday. CBS News' Zak Hudak has more.

• Jul 22

Trump picks to win in Arizona primaries: AP

Republican candidates endorsed by President Trump will win key races in Arizona's primary elections, the Associated Press projects. CBS News' Fin Gómez reports.

• Jul 22

Key Arizona primaries to watch today

Arizona has traditionally been a red state, and six of its nine House representatives are Republicans.

• Jul 21

Primary day in Arizona

Voters went to the polls Tuesday in Arizona for several key primary races. CBS News' Taurean Small has more.

• Jul 21

DOJ watching polling sites in 3 Arizona counties

The Justice Department announced Tuesday that it is monitoring polling sites in three Arizona counties as voters cast ballots in the state's primary elections. CBS News congressional reporter Taurean Small breaks down the races we're watching.

• Jul 21

Key Arizona primary races to wwatch

Arizona voters head to the polls Tuesday for some key primary races, including the GOP contest for governor and House District 1. CBS News' Taurean Small breaks it down.

• Jul 21

Darline Graham joins SC Senate race

After the death of South Carolina Republican Sen. Lindsey Graham, his sister, Darline Graham, stepped in to serve out the remainder of his term. Now, she says she plans to run for the full term. CBS News' Fin Gómez has more details.

• Jul 21

Arizona gears up for primaries

Several candidates in Arizona are seeking the GOP nomination to take on Democratic Gov. Katie Hobbs on Tuesday. Meanwhile, the state is also holding primary contests for congressional seats. CBS News' Fin Gomez has the latest.

• Jul 20

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