Former 2016 Clinton campaign manager Robby Mook said the campaign and the Democratic National Party did not work together to rig the primary in an interview Friday night with CNN's Anderson Cooper. He said the idea that the DNC could rig a contest "frankly is laughable." Mook also noted that contests that were run by the national party such as the Iowa caucus, Bernie Sanders "won overwhelmingly." However, responding to Sanders campaign adviser Jeff Weaver's complaint that it was "pretty clear" the DNC was on the Clinton side, Mook said "politics is politics." On interim DNC chairwoman Donna Brazile's claim...