This week, first lady Michelle Obama was doing something she loves to do, talking about nutrition with kids. She hosted the first state dinner for children, welcoming 54 of them and their parents to the White House.
"This is the hottest ticket at the White House, right here, because of all of you," Obama said to the children, who ranged in age from 8 to 12.
Spc. Ben Purvis (center) helps train Afghan troops on how to use mortars in the eastern province of Kunar in June. The top U.S. commander in Afghanistan, Gen. John Allen, points to several factors in the rise of "insider attacks" on American forces. He says relations between U.S. and Afghan troops are good overall.
Gunmen wearing Afghan police and army uniforms have killed 40 U.S. and NATO troops so far this year, and the top American commander in Afghanistan says there is no single reason — and no simple solution.
Taliban infiltrators, disputes between NATO and Afghan security forces, and even the timing of Ramadan, the Muslim holy month, are all factors, according to Gen. John Allen.
"We think the reasons for these attacks are complex," says Allen, who spoke by video link from Kabul on Thursday. Ten of the American deaths have come in just the past two weeks.
Mitt Romney outlined an energy plan Thursday that would guide his Republican presidency. It focuses heavily on expanding the supply of fossil fuels. The presumptive nominee said the U.S., Mexico and Canada together could reach energy independence by 2020.
But the plan makes no mention of climate change and would end subsidies for cleaner sources of energy, such as wind and solar.