who can help me? Thanks

About the reading questions:

The Martha Stewart jokes didn't seem as funny on Friday. You know, the ones about how black-and-white stripes are in this year and how a little lemon and seltzer can remove those pesky ink stains after you've been fingerprinted. As much as we revel in the failings of the famous, many folks figured she would never face prison. Such jests have the ring of tragedy now that she has been found guilty of obstructing justice and other crimes that all but guarantee she will end up behind bars.

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My problem: what is the exact meaning underlined by me? The author wants to express what kind of feeling? Thanks for your big help.

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