Good morning, Arizona. Here’s what you need to know to start your day.

Today’s Valley forecast calls for partly sunny skies with a high of about 80.

The lows tonight are expected to drop to the 50s. Tuesday will bring a slight chance of showers, according to the National Weather Service.

NCAA FINAL FOUR IN PHOENIX

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The court for the NCAA Final Four tournament is put together at the University of Phoenix stadium in Glendale, Arizona. Thomas Hawthorne/azcentral

The 2017 Final Four will be at the University of Phoenix Stadium in Glendale, home of the Arizona Cardinals and the Fiesta Bowl, on Saturday, April 1, and Monday, April 3.

This will be the first time the signature event in men’s college basketball will be held in Arizona and the first time it’s been in the West since Seattle had it in 1995.

Tickets have been sold out for months, snapped up by dealers looking to make a resale profit, and fans hoping their team would reach the final weekend of the tournament.

Three-game passes, which combine both Saturday’s semifinals and Monday’s national championship game, have a face value of $200. But as the tournament went on, thousands of tickets changed hands online, and prices rose and fell like shares on the stock exchange.

Like all markets, this one is driven by supply and demand: Fans of losing teams flood the market to sell their tickets, and fans of winners pick them up.

RACIST GRAFFITI REMOVED FROM PHOENIX HIGH SCHOOL

The swastikas have been removed, but Phoenix police are still investigating who painted them and declarations of “White Power” on the walls of Pinnacle High School.

The graffiti appeared overnight, scrawled in multiple colors on an exterior wall of the Pinnacle High auditorium and a nearby pillar: swastikas in bright pink, a racial slur at eye level and “White Power” repeated in red and pink. Students and staff found the graffiti, which appeared to be spray-paint, when they arrived at the school Saturday morning.

TRUMP TAKES AIM AT FREEDOM CAUCUS

Despite calling Freedom Caucus members friends last week, President Trump seemed to take aim Sunday at the Republican hard-line conservatives and blame them in part for the collapse of the party’s health care repeal plan.

“Democrats are smiling in D.C. that the Freedom Caucus, with the help of Club For Growth and Heritage, have saved Planned Parenthood & Ocare!’’ Trump tweeted early Sunday.

The tweet came on the heels of a major blow for Republicans when leaders pulled Friday their plan to replace and repeal the Affordable Care Act, because they didn’t have enough GOP support to pass the measure. Several moderate Republicans and members of the Freedom Caucus vowed not to support it. All the Democrats were expected to vote against it.

TODAY IN  HISTORY 

– In 1513, Spanish explorer Juan Ponce de Leon (hwahn pahns duh LEE’-ohn) sighted present-day Florida.

– In 1836, the first Mormon temple was dedicated in Kirtland, Ohio, by Joseph Smith Jr.

– In 1884, the first telephone line between Boston and New York was inaugurated.

– In 1912, first lady Helen Herron Taft and the wife of Japan’s ambassador to the United States, Viscountess Chinda, planted the first two of 3,000 cherry trees given to the U.S. as a gift by the mayor of Tokyo.

– In 1933, Japan officially withdrew from the League of Nations.

– In 1942, during World War II, Congress granted American servicemen free first-class mailing privileges.

– In 1952, the MGM movie musical “Singin’ in the Rain,” starring Gene Kelly, Donald O’Connor and Debbie Reynolds, had its world premiere at New York’s Radio City Music Hall.

– In 1957, “Around the World in 80 Days” won the Academy Award for best picture of 1956; Yul Brynner won best actor for “The King and I,” Ingrid Bergman was awarded best actress for “Anastasia” and George Stevens was recognized as best director for “Giant.”

– In 1964, Alaska was hit by a magnitude 9.2 earthquake (the strongest on record in North America) and tsunamis that together claimed about 130 lives.

– In 1980, 123 workers died when a North Sea floating oil field platform, the Alexander Kielland, capsized during a storm.

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