[3] Rosenberg said in 1999, "Our problem as a party is that the biggest source of our venture capital now comes from labor, which is a group that's becoming less and less important, and representing less and less of a percentage of American voters.

In 1985, Rosenberg moved to New York City to work for ABC News, where he spent two years before joining the Dukakis for President Campaign in Des Moines, Iowa.

In October, Rosenberg said that twelve of the last fifteen presidential polls in Pennsylvania — a crucial battleground state — were produced by organizations with conservative or Republican affiliations.

He asserted this phenomenon was spreading to all seven battleground states, and argued that its intent was to game the polling averages in Trump's favor.

In October, Polymarket showed a $30 million spike in wagers on Trump, pushing his odds of winning the election to 60%.