Here's some news that both Barack Obama and Mitt Romney would like you to ignore: Tens of thousands of American soldiers are at war this summer in Afghanistan.

Though you'd never know it from listening to the candidates, U.S. Marine and Army units have been fighting hard against the Afghan Taliban across the south and east of the country. They are taking considerable casualties. In July, according to the website icasualties.org, 46 American and coalition troops were killed — the highest total since last September. Six more died in the first few days of August.

U.S. forces are taking hits from ambushes and roadside bombs as they struggle to secure the main highway link through Ghazni province between Kabul and the southern city of Kandahar. Others are battling the Taliban's attempt to regain ground in and around Kandahar.