Polls saw the Democratic wave. Here’s why they missed the tsunami

The polls had a decent night Tuesday in predicting Democratic wins, but fell short of projecting the blue tsunami that ultimately swept larger-than-expected Democratic majorities into power in the House and Senate. Democrats exceeded even their own expectations in a big night Tuesday, winning Senate races in states such as Kansas and South Carolina and...

The polls had a decent night Tuesday in predicting Democratic wins, but fell short of projecting the blue tsunami that ultimately swept larger-than-expected Democratic majorities into power in the House and Senate. Democrats exceeded even their own expectations in a big night Tuesday, winning Senate races in states such as Kansas and South Carolina and...