7 things to know now: It's tax day; George Clooney on big money; Teigen, Legend are parents

Here's a roundup of news trending across the nation and world today.

What to know now:

1. Immigration suit: The U.S. Supreme Court will hear arguments Monday over whether the president had the authority to block the deportation of more than 4 million undocumented immigrants. The case arose from a challenge by Texas and 25 other states to the president's 2014 immigration plan that would allow  those who have lived illegally in the United States since at least 2010, who have no criminal record and who have children who are U.S. citizens, to get into a program that prevents their deportation.

2. Earthquake deaths: Two earthquakes, one in Japan and one in Ecuador, struck over the weekend, killing hundreds and injuring thousands. The quake in Ecuador, at a 7.8 magnitude,  was the strongest to hit  the country in decades. At least 246 people were killed and 2,500 injured as buildings collapsed in cities along the county's coastline. In Japan, the death toll climbed to 33 after a 7.0-magnitude quake hit there Saturday.

3. Remember your return: It's tax day, and according to the Internal Revenue Service, millions of us have waited until – almost literally – the last moment to file our  2015 tax returns. While the date the returns are due is a bit later this year – you can thank a Washington DC holiday for that –  the IRS is expecting either a tax return form or a request for an extension from you postmarked (or sent electronically) by midnight Monday.

4. Clooney on big money: George Clooney condemned "obscene" amounts of money that flow into U.S. political races a day after he hosted a $33,000-a-person fundraiser for Hillary Clinton at his Los Angeles home. Clooney told "Meet the Press" host Chuck Todd Sunday that people had a perfect right to be upset about the amount of money that political campaigns see in an election cycle. Supporters of Bernie Sanders protested outside the fundraiser that costs $33,400 for single tickets. A Sanders' fundraiser Saturday near Clooney's home in LA cost $27 a head to attend.

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 5. Couple believed dead: A Washington state couple who have not been seen since last week are now believed to have been murdered by a pair of brothers with whom they had  a property dispute. On Saturday, police found vehicles belonging to Patrick Shunn and his wife, Monique Patenaude, about 15 miles from the couple's home in Arlington, Wash. According to law enforcement officials, "it's clear" the two are dead, but no bodies have been recovered. Shunn and Patenaude  were engaged in a property dispute with brothers John Blaine Reed and Tony Clyde Reed, convicted felons who were seen on surveillance video disposing of the Shunn's vehicles.

And one more

Model Chrissy Teigen and musician John Legend welcomed a daughter late last week. Luna Simone Stephens (Legend's birth name is John Roger Stephens) was born Thursday, and weighed 6 pounds 11 ounces. Both mother and daughter are said to be doing well.

In case you missed it

If you missed last week’s Democratic debate, “Saturday Night Live” is here  to help.

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