Nate Silver sees no magic in 50%.
Andrew Alexander laments the Post's focus on health care tactics over substance, draws commentary from John Sides, Andrew Gelman, Paul Krugman, Matt Yglesias, Julian Sanchez and Ezra Klein (plus this guy agrees with Sides).
Ezra Klein explores why seniors oppose "government run" health care, but not Medicare.
Jennifer Agiesta looks at Post/ABC health care reform attitudes by age.
DemFromCT gathers more health reform data by age.
David Moore takes issue with Brooks and McInturff on health care.
Pat Caddell pontificates on health care reform.
Steve Singiser asks if all likely voters are Republican.
Kos digs deeper into Democratic declines on the generic congressional ballot.
David Johnson speaks - sees warning signs for Obama.
Sahil Kapur reports only 4% of Israelis think Obama is "pro-Israel."
Gary Langer reports on a study that finds trouble for opt-in internet surveys.
Survey Practice devotes an issue to "non-probability" samples.
ResearchRants rips an education demographic with too many categories.
Follow Mark Blumenthal on Twitter: www.twitter.com/MysteryPollster