WASHINGTON (AP) - There's a flurry of campaigning across the country this weekend as candidates court discontented voters two weeks before elections.

Polls, campaign finance reports and advisers in both parties suggest that Republicans are poised to make gains in Congress and Democrats risk losing a dozen governors' chairs they now hold.

That's sent President Barack Obama on a campaign swing aimed at energizing Democrats. He's telling Democrats not to take anything for granted, even in strongholds like Massachusetts. Obama is set to appear at a rally in Boston this afternoon for Massachusetts Gov. Deval Patrick.
      
Private groups are pouring huge sums of money into GOP campaigns, while Democrats are trying to minimize the damage by concentrating their resources on a dwindling number of races.

Meanwhile, early voting is under way in many states, including Nevada. Polls there show the race between Senate Majority Leader Harry Reid and his Republican challenger and tea party favorite Sharron Angle is a close one.