Vladamir Putin lectured Obama this weekend on Islamist extremism during their phone conversation on the Boston Marathon bombings. Russia warned the US back in 2011 that bomber Tamerlan Tsarnaev was a follower of radical Islam. CSM via Yahoo reported: The revelation that the main suspects in the Boston Marathon bombings were two Russian citizens of half-Chechen, half-Avar (Dagestani) ethnicity, has prompted Kremlin leaders to dust off a longstanding argument that the US should listen to Moscow’s warnings about extreme Islamist terrorists, whether they hail from Chechnya, or Syria, or anywhere else. The Russians say the US should turn away from...