ultra

"Look at what's happening in women's running, women are winning outright in ultra marathons and their stamina going fast can be prolonged, the whole future of women's running physically is very, very exciting," she says.

In an interview, Kirby took a swipe at ultra low-cost carrier Spirit Airlines, discussed artificial intelligence and explained why he thinks the 2028 Olympics might not be such great news for the airline industry.

He'll lead by example rather than being ultra vocal, sources say.

Chinese automaker BYD sells ultra low-priced fully electric models, but they are not available in the U.S.

He depends on the support of ultra nationalist extremists who want to annex the occupied territories and force Palestinians out, not grant them independence.