With a blueish diesel cloud above, commuters walk a platform near Metra and Amtrak trains at Union Station in Chicago. (Zbigniew Bzdak/Tribune) Metra pollution worse than thought Tribune watchdog: Metra's own testing of toxic diesel exhaust inside its passenger cars shows its pollution problems are more extensive than it has publicly disclosed, records show. A summary of tests conducted in response to a Tribune investigation showed levels at times spiked hundreds of times above what is normally found on urban streets. Spreadsheet: Metra air testing Metra train strikes pedestrian in Evanston Arcade Fire album upsets Eminem Greg Kot: It was supposed to be Eminem's big night at the Grammy Awards, but he lost in the big categories, including an album of the year surprise. Lady Antebellum wins record, song of year Winners and losers | Photos: Red carpet

2 cops, 1 civilian hurt in Far South Side crash Feb 13, 11:57 PM Race for mayor: Braun, Chico get campaign assists Feb 13, 10:06 PM Man dropped off wife before fatal fall Feb 13, 9:18 PM Roof collapses on parking area in St. Charles Feb 13, 8:51 PM Priest probed over estate deal Feb 13, 7:50 PM Metra train strikes pedestrian in Evanston Feb 13, 8:52 PM Pastor in property inquiry steps aside 2 cops, 1 civilian hurt in Far South Side crash Egypt's military dissolves parliament Tax hike not enough; Quinn wants to borrow $8.75 billion Braun, Chico get help attacking Emanuel >> Video Weis: Crackdown brought big homicide drop >> Video Obama budget cuts $1.1 trillion over 10 years Boehner: 'Not my job' to convince Obama birth skeptics Family tries to make sense of fatal elevator mishap More airline passenger protections waiting in wings Bill Murray, ex-U. of I. golfer Points win tournament

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Free Chicago events Feb. 15-17: Patch's Book Club for kids at Navy Pier Feb. 17: Dog-friendly chocolate and wine hour Feb. 19: 'Within Our Gates' screening Now open: Spring Flower Show More free events >>

More events this week Feb. 11-20: Chicago Auto Show Feb. 14: All Need Love Festival Feb. 16: New 'Horse' exhibition Feb. 16: Girls' night out shopping party More events >>