Former Secretary of State Hillary Clinton joked about the ongoing investigation over her use of a private email server while at the State Department, telling a group of Iowa Democrats that the hubbub is just “politics. Speaking to about 2,000 Democrats at the Iowa Democratic Wing Ding at the historic Surf Ballroom in Clear Lake, Iowa, Clinton was defiant about the controversy and her use of the personal account, days after turning over her private server to the Justice Department.... “You may have seen that I recently launched a Snapchat account,” Clinton said at the start of her 25-minute address....