Democratic Rep. Beto O'Rourke abandoned his optimistic tone and attacked Republican U.S. Senator Ted Cruz as "Lyin" Ted in their second debate before the election, borrowing a nickname first used by President Donald Trump. It was one of the challenger's last chances to gain ground on Cruz, who is leading the polls even though O'Rourke has benefited from national media coverage of his unconventional campaign and a record amount of campaign cash. A look at claims made in their debate Tuesday in San Antonio: O'ROURKE: "Ted Cruz invested more than $5 million in Cambridge Analytica, which is the very company that helped to undermine our democracy, to feed false news and false opinions to our fellow Americans.Read more on NewsOK.com