"I'm a maniac and everyone on this stage is stupid, fat and ugly." — Texas Sen. Ted Cruz, mocking Republican presidential front-runner Donald Trump, who boycotted the final debate before Iowa's caucuses.
"When you're treated badly, you have to stick up for your rights." — Donald Trump, the Republican presidential front-runner, who explained he was skipping the latest debate because he felt Fox News had dealt with him unfairly.
"In Brazil, infestation rates (of the mosquito) are highest in the northeast because of climactic reasons and socio-economic reasons, so it makes sense that ... it really took off there." — Dr. Albert Ko, a professor of epidemiology with the Yale School of Public Health, on how that region of the country has been more prone to outbreaks of the Zika virus.