Arizona’s new hypercompetitive 9th Congressional District lived up its billing, with Democratic nominee Kyrsten Sinema holding a narrow but growing lead over Republican Vernon Parker in a race that was still undecided at the end of election night. As of Wednesday evening, Sinema, a former legislator from central Phoenix, leads by 2,715 votes.

The political action committee of Republican Gov. Jan Brewer is paying for mailers for or against candidates in two more Arizona congressional races.

The son of former Vice President Dan Quayle won an open Arizona congressional seat in 2010 by beating nine other Republicans while using a hard-hitting ad that called President Barack Obama "the worst president in history."

In Arizona's brand-new 9th Congressional District, three Democrats and seven Republicans are vying to win the upcoming primary so they can move on to what could turn out to be a nasty fight for the seat, given that it's one of few toss-up races in the state and the field is so wide.

A conservative advocacy group is warning GOP leaders to stay neutral in an Arizona congressional race featuring two Republican incumbents a�� Reps. David Schweikert and Ben Quayle.

After just four days, Ron Barber has raised more money and attracted more contributors than some campaigns have gotten in months.

Through the online Democratic fundraising PAC ActBlue, Barber raised about $110,000 from 1,715 contributors through Monday morning, according to his campaign.

A CD9 GOP poll commissioned by Vernon Parker’s would-be consultants show the former Paradise Valley mayor trailing Don Stapley, but not by much.

Matt Salmon has won the endorsement of the entire Arizona Senate Republican leadership team and a majority of the Senate’s GOP caucus, even though his opponent was serving at the Legislature with them less than a year ago.

David Crowe will officially join the CD3 race tomorrow when he rolls out his campaign against Grijalva for the Dem primary – and he’ll be using a new name to tout his Mexican heritage.

Congressman David Schweikert has endorsed his former colleague Matt Salmon in the race to replace U.S. Rep. Jeff Flake.