51.   But most Republican insiders never expected him to enter the race.

52.   But never before had I entered a race that required more than running.

53.   But Republicans, who last year won their first Senate seat in Arkansas since Reconstruction, seem to be rooting for Rockefeller to enter the race.

54.   But Telda Williams, who entered the race against him, said she did so because McCain and Symington asked her to.

55.   By contrast, Khatami entered the race reluctantly, after no other viable opposition candidate surfaced and after he received permission from Khamenei.

56.   By contrast, Lazio suffered by entering the race late.

57.   But when six of the skaters ahead of him declined to enter the race, Parra got the call.

58.   By the time she entered the race in January, Schumer had already wrapped it up.

59.   Campbell does not offer long explanations for why he entered the race.

60.   By any measure, Peres is entering the race a strong front-runner.