Africa News Tonight: U.S. agency under scrutiny after attack on Trump, Biden continues campaign, new clashes seen as Kenya protests resume

An assassination attempt on former President Donald Trump has sparked heavy scrutiny for the U.S. the agency tasked with protecting current and former presidents, to determine how a gunman was able to overcome tight security at a campaign rally Saturday. As Donald Trump appeared at the Republican National Convention and named his vice presidential pick, President Joe Biden prepared for a campaign stop today in this uncertain stage in the presidential race. Economic concerns again bring protesters out in Kenya, and businesses remained closed in the capital Nairobi today as police clashed with anti-government protesters.