A.M. Links: Afghan Government Employees Kill Six U.S. Soldiers, Attacks on Paul Ryan Begin, Trump Camp Says Trump to Play Role in Tampa

• Six U.S. soldiers were killed in two separate attacks by Afghan government employees over the weekend.

• Florida seniors are the latest stars in a new Obama ad aimed at Mitt Romney's vice presidential pick, Paul Ryan. Because his budget included reforms of Medicare for people under 55, it will now be used to scare seniors into voting for the president. A group of Irish Democrats, meanwhile, is attacking Ryan for not having Chicago values the values he grew up with, because partisan organizations are the best judges of religious values. Less than three more month of this nonsense!
• Donald Trump confirms that Donald Trump will be playing a "memorable" role at the Republican National Convention in Tampa though Reince Priebus, the chairman of the Republican National Committee says he doesn't know what role that will be. "But I do know that he's important to us and that he's somebody that we appreciate, because he's telling us the truth as far as where we're at in this economy," Preibus said.
• Apparently Arnold Schwarzenegger was approached by the Obama administration about a cabinet position in 2010. Might he be one of the Republicans Politico reports as possibly speaking at the Democratic National Convention?
• It probably won't be Sarah Palin, who isn't scheduled to speak at the Republican National Convention this year, either.
• The House Oversight Committee will file a civil contempt lawsuit against Attorney General Eric Holder,  though the president's invocation of executive privilege means there won't be any prosecution as a result.
• Egypt's president has sacked his army chief and several other generals as well as revoking a rule limiting his power. The moves come after a militant attack on a border checkpoint that embarrassed the military, which continues to hunt Islamists in the Sinai following the attack.