Nate Silver @NateSilver538
I'm generally wary of reading too much into financial allocation decisions but this is an interesting one. Without AZ it starts to get kind of tough for the GOP to take the Senate, especially if Democrats pick up a seat in PA as is fairly likely. — PolitiTweet.org
Burgess Everett @burgessev
News: GOP super PAC SLF canceling $8m in ad buys in Arizona Senate race, about half its reservations. Will raise qu… https://t.co/It5eKrkXoZ