The midterm primary season enters a new, more volatile phase on Tuesday as voters participate in the first elections since the U.S. Supreme Court's decision revoking a woman's constitutional right to an abortion jolted the nation's politics.
In Colorado's Republican U.S. Senate primary, voters are choosing between businessman Joe O'Dea and state Rep. Ron Hanks. O'Dea is the rare Republican who supports most abortion rights while Hanks backs a ban on the procedure in all cases.
