Bruce Poliquin celebrates with his son Sam after learning of his primary election victory over Kevin Raye on the evening of June 10. Carl D. Walsh/Staff Photographer

Emily Cain speaks to supporters Tuesday night. She won the Democratic nomination in the 2nd Congressional District. Gabe Souza/Staff Photographer

Troy Jackson speaks to media and campaign supporters after he was defeated by Emily Cain. Derek Davis/Staff Photographer

Kevin Raye supported by his wife, Karen, tells supporters that the poll trends are not in his favor during a short speech at his campaign headquarters in Bangor on Tuesday. Kevin Bennett Photo

Media and campaign supporters wait for Troy Jackson at his headquarters in Lewiston as results start to come in during primary elections. Derek Davis/Staff Photographer

Emily Cain hugs a supporter at the Holiday Inn in Bangor after she defeated her opponent, Troy Jackson. Gabe Souza/Staff Photographer

Bruce Poliquin makes his victory speech at Dysarts Broadway in Bangor. Carl D. Walsh/Staff Photographer

Kevin Raye hugs his sister-in-law Cathy Terrill as he thanks family members including his mother Francis Raye, center, and his mother-in-law, Barbara Howard, right, after telling supporters that he would not win the District 2 Congressional seat.Kevin Bennett Photo

Candidate for Congress Bruce Poliquin hugs friend and supporter Betsy Beardsley as the candidate arrives at Dysarts Broadway in Bangor on Tuesday.

Democratic candidate for the 2nd Congressional District Emily Cain gives her victory speech after she defeated Troy Jackson of Allagash in the primary election. Gabe Souza/Staff Photographer

Bruce Poliquin supporters, including Joanne Gray of Charlston, left, cheer on their candidate after declaring victory. Carl D. Walsh/Staff Photographer

Republican primary candidate Kevin Raye

Alan Brewer, spokesman for Troy Jackson, speaks to the media at Jackson's campaign headquarters in Lewiston as results start to come in during primary elections. Derek Davis/Staff Photographer

Doug and Nichi Farnham, left, of Bangor along with Dot Turner, center, and Chris Gardner, both of Washington County, check election results on their electronic devices as early election results come in for Kevin Raye at his campaign headquarters in Bangor on Tuesday.Kevin Bennett Photo

Kevin Raye chats with members of the media as he awaits election results at his campaign headquarters in Bangor after the polls closed on Tuesday. Kevin Bennett Photo