"I think Sid is viewed as kind of the moderate in the race," said Mark Fahleson, a former state party chairman who is backing Mr. Sasse.
Cornhusker clash: Nebraska sees nasty fight in GOP Senate primary →
provided false information under oath on his signed voter registration and candidate filing application, and failed to meet Nebraska's standard for appearing on the ballot," Mr. Fahleson said in the Republicans' statement.
Neb. GOP to challenge Kerrey in court →