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Republican Bruce Rauner gives a thumbs up to supporters outside the WTTW-TV studios as he arrives for the last televised debate before the March primary. (AP File Photo/Charles Rex Arbogast)

Rauner’s magic number part of longtime GOP secret formula

WATCH: Obama bows to a robot in Japan

TOKYO — The voice was slightly halting, childlike. "Welcome to Miraikan, Mr. President, it is a pleasure to meet you." President Barack Obama bowed, looking delighted.

Obama to Russia: More sanctions are 'teed up'

TOKYO — Accusing Russia of failing to live up to its commitments, President Barack Obama warned Moscow on Thursday that the United States has another round of economic sanctions "teed up" — even as he acknowledged those penalties may do little to influence Vladimir Putin's handling of the crisis in Ukraine.

Clean Energy: A Very Chicago Enterprise

Earlier this month I attended the Clean Energy Trust’s Clean Energy Challenge, where teams of entrepreneurial students pitched a series of ideas that could set the world on a better path by using the free market to attack serious problems looming

Protestors wave signs and chant on Wednesday outside the Chicago Public Schools headquarters, 125 S. Clark St. They opposed putting three CPS in "turnaround" and handing them over to a private operator. | Al Podgorski / Sun-Times Media

Despite pleas, CPS turns three schools over to private operator

Despite impassioned pleas from residents, parents, teachers and administrators — and sign-carrying protests outside — the Chicago Public Schools board voted Wednesday to “turn around” three elementary schools, laying off all teachers and staff and handing operations over to a private company.

Chicago Police Supt. Garry McCarthy talks about stronger gun laws at the police station at 51st & Wentworth on April 14. | Brian Jackson/Sun-Times

A/C in city schools could help cool summer violence

Memo to detractors giving Mayor Rahm Emanuel's plan to provide air conditioning for every Chicago Public School classroom the cold shoulder: Ya gotta be kidding! It’s too expensive, you say? What price does one put on the life of a child when hot weather fuels violence? What price is too high to for preventing a child from getting killed?

John Thomas leaves the Dirksen Federal Building last week after being indicted for allegedly stealing $370,000 from the Village of Riverdale in tax increment financing funds connected to the development of Riverdale Marina. File Photo.| Richard A. Chapman/Sun-Times

Ex-government mole rips suburb for accusing him of TIF scam

A convicted fraudster accused of stealing $370,000 that was meant to be used to redevelop south suburban Riverdale’s marina accused the village of trying to “ruin my life” and said the town’s taxpayers can keep the marina. Real estate developer John Thomas — a former government mole — delivered the angry rant outside court Wednesday afternoon, just moments after prosecutors accused him of violating the terms of his bail.

Rand Paul swims in the muddle

It is hard to see Rand Paul surviving the modern-day presidential primary meat grinder of debate after debate with a campaign based on platitudes.

From left, Ald. Latasha Thomas (17th) and Ald. Carrie Austin (34th) at a Chicago City Council meeting earlier this month. | Brian Jackson/Sun-Times

Garbage collection fee to help fix pension mess proposed

On Wednesday, Ald. Carrie Austin (34th) joined the desperate search for less painful alternatives to the mayor's proposed property tax hike — and found one by resurrecting the idea of a monthly fee for garbage collection.

Why police recover more guns in Chicago than any other city

It’s not news that Chicago has a gun problem. But that doesn’t make it any more palatable for Police Superintendent Garry McCarthy, a firm believer in systems management and improved gun laws as he works to reduce crime in the city.

House Minority Leader Jim Durkin, left, and Senate Minority Leader Christine Radogno discussed the current legislative session with the Sun-Times Editorial Board on Tuesday. File Photo.| Rich Hein/Sun-Times

Rauner embraces Radogno, Durkin term-limit plan for governor

SPRINGFIELD-Republican Bruce Rauner offered his imprimatur Wednesday to a new term-limits proposal from GOP House and Senate leaders to limit the tenure of the governor and other statewide officeholders, but Senate Democrats gave the plan a cold shoulder.