peHUB First Read

* Is the tipping point toast? * Niall Ferguson: A Greek tragedy is coming to America * Jon Steinberg: Great managers/startups don't die at hedge funds * Megan McArdle argues that public pensions are confusing alpha with beta, when it comes to high-risk/high-reward investment strategies. She's thinking real estate, but wouldn't her argument also apply to private equity? * Morning Call: U.S. futures point lower, London falls early, European shares retreat, the Nikkei gains 1.3% and both China shares close higher. * Do people work longer on rainy days? * 4chan's Moot takes to the TED stage, in support of online anonymity. * Mega-LBO firms begin tinkering with roll-up platforms, an investment strategy long favored by mid-market PE and later-stage VC firms.