The Republican wave election of 2010 also wiped out many moderate Democrats outside urban and coastal blue bastions. (businessinsider.com)
Pelosi expressed confidence that Democrats are in for a monumental wave election after solid Republican control of government for the past two years. (businessinsider.com)
Democrats will need viable challengers to take advantage of a possible wave election and many face crowded primaries for these seats. (rollcall.com)