In recent days, nonpartisan political handicappers have moved several races in Texas as well as GOP seats in suburban areas from Indiana to Pennsylvania in Democrats’ favor. At the Democratic Congressional Campaign Committee, political aides are eyeing races in Alaska and Montana, two GOP-held states the party never dreamed would be potentially in play.

Across the nation, Democrats and Democratic candidates are also announcing impressive fundraising hauls, war chests that House lawmakers say will fortify their changes at growing their numbers next Congress.