Public electric utilities will need thousands of miles of new transmission lines to bring solar and wind power to cities. One alternative could be microgrids, or local production of power from clean energy
Russia imposed a ban on exports of wheat due to a severe drought, causing a spike in world prices. But the ban's most important effect may be to raise questions about long-term food security, especially if global warming continues.
In winning over 38 billionaires to pledging half their wealth to charity, Warren Buffet and Bill Gates also set a better climate in the political debate over ending the Bush tax cuts on the rich.
Commercial tracking software often secretly records where users go on the Internet. If businesses don't set their own clear, simple privacy standards, government may need to step in with a 'do not track' option.
Senate ratification of the New START treaty on nuclear weapons could open the way to progress on several stalled strategic issues between the US and Russia, as well as between NATO and Russia.
Obama heralds the US success in meeting the August goal of withdrawing 90,000 US troops from Iraq, ending combat missions. But for the final pullout in 2011, will he also herald leaving behind a functioning democracy there -- which both Iraq and the region needs.
The gross domestic product (GDP) fell to 2.4 percent in the last quarter. One reason could be a rising reluctance of Americans to move to jobs in other states. Congress must help revive the historically high rate of mobility in labor.
Senate Republicans this week halted the Democrats' drive toward campaign finance reform. Democrats can revive their attempt to bring needed transparency to corporate and union spending on campaign ads by compromising and reaching out to moderate Republicans.
The federal court decision on the Arizona immigration law can be seen as a roadmap for a political compromise.
Iran sanctions agreed to by Europe significantly increase pressure on Iran to return to the nuclear negotiating table. But while talks are good, quick results are what matter.
Wikileaks report of war logs about Afghanistan again puts Obama on the PR defensive about the war. He needs to show more leadership in shaping public opinion.
The House financial committee will mark up a bill Tuesday to legalize Internet gambling. Even many in the US industry oppose it. It is largely foreign gaming websites that are behind this attempt to overturn the 2006 ban.
The International Court of Justice in The Hague upheld Kosovo's declaration of independence. That will likely embolden separatist movements around the world. But after independence, then what? Recognition is a political, not a legal matter.
After signing the financial reform bill, Obama must work to end the corruption inherent in any federal institution designed to boost homeownership. Congress was bought off by the housing industry to lower lending standards, creating the market bubble. Fannie Mae and Freddie Mac need to go.
President Karzai and the international community agreed on a path to transition at the international conference in Kabul. Whether the various deadlines, including Afghan control of military operations by 2014, can be achieved is unknown. But the plans point the way forward to Afghanistan ownership of its future.
With the end of the BP oil spill in sight, Obama orders federal agencies to zone human uses of coastal seas (and the Great Lakes). It won't be easy but it is essential.
State legislators and governors must redraw voter districts to account for population changes from the census. But the process often leads to a gerrymander of safe districts for incumbents. There is a better, fairer way.
The federal appeals court decision against the FCC regulations of "fleeting expletives" needs a hearing in the Supreme Court. The court's legal reasoning must be updated in the face of rapid changes in media, the increasing assault of vulgarity on children, and the demand of parents for government help.
America's policy so far amounts to containing this Somali terrorist group that has links to Al Qaeda.
The Dodd-Frank financial reform bill leaves too much discretion to regulators, creating the risk of regulation uncertainty for an industry that needs less risk, not more.