Hawks on Iran from the US to Israel aren't happy about a possible nuclear deal. In part, that's because it might actually work as advertised.
The conflict in Yemen is driven by local grievances and competition, not some Iranian plot.
With Saudi-led airstrikes in their seventh day, dozens of civilians were reported killed at a dairy factory where Yemen's Houthi rebels are suspected of storing weapons.
Many see the violence in Yemen as a proxy war between Sunni Saudi Arabia and Shiite Iran. That's true to an extent, but risks oversimplification.
There were conflicting reports of whether President Hadi had fled his temporary capital in Aden after Shiite Houthi fighters took over Yemen's largest airbase, just 35 miles away.
The already poor relationship between the Obama administration and the government of Israeli Prime Minister Benjamin Netanyahu looks set to get worse, with Iran nuclear talks nearing an important deadline at the end of the month.
Iran's largest salt lake has shrunk by 90 percent over the last decade, one of many endangered water resources. Iran is belatedly adopting modern drip irrigation. Mar 22 is International Water Day.
Fierce fighting is underway to wrest back all of the Iraqi city of Tikrit from the so-called Islamic State. But after a victory, avoiding reprisals on Sunni residents by Shiite militias won't be easy.