Historical clue formulations

• Problem for a plumber — 2026-08-11
• Source of many an explosive news story — 2026-04-25
• Damage caused by a mole, maybe — 2026-04-09
• Air mattress problem — 2025-06-23
• Bad thing to spring — 2025-04-08
• Problem for a homeowner or government worker — 2024-12-04
• Hissing tire's problem — 2024-10-23
• Unplanned preview, perhaps — 2024-01-14
• Bit of whistle-blowing, maybe — 2022-09-23
• Challenge for a plumber — 2022-05-31
• Reveal, as confidential information — 2021-06-28
• Faucet problem — 2021-02-01
• Plumbing woe — 2019-07-29
• Concern for a plumber or government official — 2019-06-13
• Reason to replace a fuel line — 2019-05-21
• Unauthorized disclosure — 2018-10-09
• Drip, drip, drip — 2018-08-26
• Security lapse — 2018-05-24
• Not keep a secret — 2016-08-07
• Ceiling stain's cause — 2016-05-15
• Pipeline problem — 2016-03-29
• Release à la Edward Snowden — 2015-10-21
• Boon for an investigative journalist — 2014-11-23
• Roof problem — 2014-08-25
• Plumbing problem — 2014-08-04
• Hiss cause — 2014-03-20
• Lapse in secrecy — 2013-10-06
• Tip for a reporter, maybe — 2013-07-28
• Julian Assange posting — 2012-06-20
• Puddle producer, perhaps — 2011-06-05
• Publicist's headache — 2010-09-19
• Scuba diver's worry — 2009-08-30
• Unexpected info source — 2009-02-14
• Unauthorized preview, say — 2008-08-14
• Tap mishap — 2008-07-22
• Drip, say — 2007-08-23
• Unauthorized disclosure — 2007-05-28
• Drip from a pipe, e.g. — 2007-03-26
• Faucet fault — 2006-12-19
• News source, perhaps — 2006-06-14
• Plumbing problem — 2005-12-12
• Little hole, maybe — 2005-12-04
• Pipe problem — 2005-10-24
• Newshawk's source, often — 2004-11-16
• Tap trouble — 2004-03-26
• Reason to call a plumber — 2003-12-30
• Puddle's cause, maybe — 2003-07-31
• Plumbing problem — 2002-08-12
• Breach of security — 2002-03-09
• Puddle cause — 2002-02-24