21.   Economists are split on the idea with Federal Reserve Chairman Alan Greenspan giving thumbs down, while former Social Security Commissioner Robert Ball gives it thumbs up.

22.   Fed Vice Chairman Alice Rivlin today gave the economy a thumbs up.

23.   Film from the front showed women, thumbs up, returning from successful air strikes.

24.   Flight attendant Julia Drey also gives the new look a thumbs up.

25.   He expects the FDA to give overnight Ortho-K the thumbs up at the end of this year.

26.   He sees the honor as a turn in the culinary tide, a thumbs up for an overlooked cuisine.

27.   His pitching performance deserved two thumbs up, his acting two down.

28.   I gave him a thumbs up.

29.   I give it two severed thumbs up.

30.   I give the technology a big thumbs up.