Tipsheet The Week in Blog: Killer Light Bulb Edition Matt Lewis | April 24, 2009 4:46 PM Is Obama withholding evidence that torture works? (05:30) Would another terrorist attack change the politics of torture? (06:02) Assessing McCain’s and Specter’s 2010 Senate challengers (05:29) Matt Yglesias vs. Meghan McCain (07:00) Battling over the true cost of cap-and-trade (05:16) Rescue dogs, bad facial hair, and a commenter challenge (03:58)