On the web: Bernanke’s reappointment, al-Megrahi’s release, foreign policy realism, the “perfect storm”, and more…

– With the news that President Obama has nominated Ben Bernanke for a second term, over at the New Republic Noam Scheiber assesses the merits of continuity at the Fed. Stephen Roach, meanwhile, examines the case against the incumbent chairman, arguing that Obama’s decision should open a “broader debate over the conduct and role of US monetary policy”.

– Taking us back to the depths of last September’s financial meltdown, Faisal Islam has some interesting insights into the collapse of Lehman Brothers as viewed from British shores.

– Elsewhere, debate continues apace about the rights and wrongs of releasing the Lockerbie bomber. Suggesting that “cock-up offers as convincing an explanation as conspiracy for the handling of Mr Megrahi’s release”, Philip Stephens argues that the decision highlights the “price of realism” in foreign policy.

– Speaking of which, in the latest edition of FP Magazine none other than Paul Wolfowitz assesses the realist credentials of President Obama; providing at once a telling insight into the mindset of a man at the heart of foreign policy making during the Bush years.

– Mark Easton’s BBC blog, meanwhile, takes a look at how the British government is looking to influence public behaviour in light of the Chief Scientist’s warning of a “perfect storm” of energy, food and water scarcity by 2030.

– Finally, as President Obama holidays on Martha’s Vineyard, the White House announces what he’ll be reading on the beach. Slate offers its take here.