While Huelskamp's loss is a blow to the Freedom Caucus, his primary race was more than just a generic GOP conservative-vs.-establishment contest.
For Cruz, Kasich and much of the Republican establishment, the contest is likely to be their last chance to stop the businessman.
The most-watched of these internal races is already the Establishment Republican contest (i.e., Romney versus Bush), and will likely remain so for quite a while.
There was more bad news for Tea Party-aligned groups in Oklahoma on Tuesday after the Republican representative James Lankford – the candidate preferred by the establishment in the contest for an open seat in the deep-red state – easily beat a more rightwing challenger, the former state house speaker TW Shannon.
Italians are heading to the polls to vote on a referendum that is seen as a test of rising populist forces in the country against the political establishment, in a contest that could end in the resignation of centre-left prime minister, Matteo Renzi.
Tea Party, or DeMint-type, conservatives beat establishment candidates in contests for U.S. Senate seats in Kentucky and Nevada, as well as in a number of House races.
SALT LAKE CITY — Utah is where the Tea Party slew one of its first giants, toppling a three-term Republican senator in a 2010 electoral coup that scrambled party politics and heralded a litany of fierce contests between establishment Republicans and conservative upstarts.
Many activists and operatives view the showdown between Perez and Ellison as a proxy contest between the establishment and progressive wings of the Democratic Party.
He's widely viewed as having a "ceiling" that can win in a divided field, but loses in a head to head contest with the Establishment candidate.
That convention featured a three-way contest with the "establishment" candidate, former president and Civil War hero Ulysses Grant seeking a third term, facing two main rivals: James Gillespie Blaine, a former House Speaker and Senator from Maine, and John Sherman of Ohio, the then-Secretary of the Treasury.
Democratic and Republican voters go to the polls in Connecticut on Tuesday to pick their party's nominee for governor in tight primary contests that pit establishment politicians against wealthy candidates in both parties who are bankrolling their own campaigns.
