Need to Know News: Tax Freedom Day today; 1,500 Palestinian prisoners start hunger strike

Each day, we here at "Piers Morgan Tonight" put together the news you need to know – from what happened last night to what will happen today.

For April 17, 2012 – Tax Freedom Day today, 1,500 Palestinian prisoners start hunger strike, and Tupac Shakur returns as a hologram at Coachella...

• Tax Freedom Day today: "Unless you've filed for an extension, today is the last day to get your taxes turned in to the IRS. Tuesday also happens to be Tax Freedom Day, the day when the average American has worked enough days in the year to be freed from their tax burdens, according to the Tax Foundation's annual report."

• 1,500 Palestinian prisoners start hunger strike: "About 1,500 Palestinian prisoners held in Israeli detention began an open-ended hunger strike Tuesday as Palestinians across the West Bank and Gaza gathered in various events to observe the annual Prisoners' Day, marking solidarity for the thousands of Palestinians in Israeli prisons."

• Senate GOP blocks Buffett Rule bill: "A proposal to implement the Buffett Rule was blocked in the Senate on Monday, but proponents of the millionaire tax vowed to keep the issue alive in the months ahead. Republicans, as expected, garnered enough support to reject Democrats' attempt to bring up the proposal for debate. The Democrats fell nine votes short."

• Most Americans say tax system favors wealthy: "In the CNN/ORC survey, 68% of respondents said the current tax system benefits the rich and is unfair to ordinary workers, compared with 29% who disagreed with that view. Overall, 50% said the federal income taxes they paid were about right, with 45% saying their taxes were too high and 3% answering their taxes were too low."

• Tupac Shakur returns as a hologram at Coachella: "The late rapper made his return to the stage from beyond the grave as a hologram during rappers Dr. Dre and Snoop Dogg's set at the music festival held in Indio, California. Thanks to the hologram technology, a shirtless Tupac seemed to take the stage, bearing greetings to Dre and Snoop before addressing the audience with, 'What the f*** is up Coachella?'"

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