Sinema is a freshman Democrat form Arizona. (Bill Clark/CQ Roll Call)
Updated Thursday, 2:03 p.m. | House Majority PAC, a super PAC that aids House Democrats, has recently canceled around $1 million in ad reservations in races throughout the Midwest and Northeast.
The shifts indicate Democrats are more optimistic about winning some House races — and have given up hope on others.
These changes were spotted by sources who track media buys and confirmed by a House Majority PAC spokesman, who declined to specify the super PAC’s reasons for moving funds to or from particular House races: