Voters sometimes hop over to the other party to spoil the results of the primary. Casting votes for a weaker opposition candidate in hopes of improving the odds for their party in the general election.
During the 2004 election (Shrub v Kerry) a group known as the Swift Boat Veterans exposed Kerry's lies about his service in Nam and how these endangered our military.
There was this ironic quote from this article;
The effort was based on the polemical book about Mr. Kerry by the conservative conspiracy theorist and best-selling author, Jerome Corsi.
https://www.newsbusters.org/blogs/nb/clay-waters/2018/02/10/rutenberg-pens-essay-nyts-brave-war-trump-mocks-lies-swift-boat-vets
Soros-Financed Group Warns Trump of ‘Consequences’ for Bolting Iran Deal
Good read over at BB about this.
http://www.breitbart.com/jerusalem/2018/05/08/soros-financed-group-warns-trump-of-consequences-for-bolting-iran-deal/
The Ploughshares Fund, with which former secretary of state John Kerry has been closely associated, sent out the following tweet on Monday warning Trump about “consequences” “if and when he violates the international agreement.”
Ploughshares is a nest of globalists financiers, community organizers, and activists masquerading as a nuclear disarmament think tank and project funding organization.
Their strategies include targeting the yutes, religious, people of color, single moms. They like us divided.
https://www.ploughshares.org/