Article snippet: Lawmakers, party leaders and election prognosticators cautioned Sunday that control of Congress is far from settled heading into Election Day on Tuesday, as Democrats and Republicans sought to make a final pitch to voters. Early voting numbers are skyrocketing around the country, with Republican votes slightly edging out Democratic ones as of Wednesday, according to NBC. But a pair of polls released Sunday morning showed Democrats with a 7- and 8-point lead on generic ballots. Changing projections, high voter enthusiasm, and not-too-distant memories of MORE defying polls that showed him trailing late in the 2016 presidential election have party officials and lawmakers urging supporters not to take anything for granted when they weigh how to vote this year. “No one should be surprised if [Democrats] only win 19 seats. And no one should be surprised if they win 51 seats,” Nate Silver, election forecaster and founder of FiveThirtyEight, said on ABC’s “This Week.” “Those are both extremely possible based on how accurate polls are in the real world,” he added. Generic congressional ballot polling has for months given Democrats a sizable edge, leading to predictions of a "blue wave" that the party would ride to control of the House. Democrats must flip 23 seats currently held by Republicans in order to secure a simple majority. But generic ballot surveys, including those released Sunday, are showing Republicans closing the margins on congressional balloting compared t... Link to the full article to read more