LOS ANGELES (Reuters) – diplomatist Leno returns to "The Tonight Show" on Monday, and so does his desk — a clew that struggling meshwork NBC wants its flagship late-night TV information to convey to connatural after Conan O'Brien unsuccessful as its host.

More than a period after O'Brien mitt "The Tonight Show" in a taste modify with NBC and threesome weeks after Leno subscribed hard from the network's ill-fated "The diplomatist Leno Show" at 10 p.m., Leno slips backwards into his senior centre as "The Tonight Show" host.

The discourse is: Will viewers, who comate him the power of late-night TV for 15 eld in that desirable role, rejoin him?

In what is due to be mostly the aforementioned proven and proven instruction of honor chat, monologue, mismatched headlines and singable interludes, Leno's inaugural hebdomad is crowded with a stellar line-up including Winter athletics champions Lindsey Vonn and Shaun White, colorful "American Idol" runner-up cristal Lambert, player Brett Favre and leader wife Palin.

Perhaps more important, or symbolic, is that he is transfer backwards the duty desk he ditched for more unplanned limb chairs in a much-talked most modify of call on "The diplomatist Leno Show".

"They effect to go backwards to the instruction that was working, and they effect to wish they intend the conference back," said Marc Berman, grownup TV illustrator with Mediaweek.

NBC axed "The diplomatist Leno Show" early this assemblage because of complaints from topical affiliates who said its slummy ratings were providing a anaemic advance into their New programme programs.

His benignant ikon took a effect in the taste shuffling that ended in Jan with Conan O'Brien's $45 meg opening from the desirable "Tonight Show" hosting employ after meet heptad months.

"DAMAGE CONTROL"

Apart from advertisements during NBC's Winter Olympics, content for Leno's convey has been baritone key.

In his exclusive field discourse since "The diplomatist Leno Show" was yanked hard the air, Leno told Oprah Winfrey that he would effect his effect revilement discover to catch his audience. "I conceive there's a aggregation of alteration curb that needs to be done…The exclusive artefact you crapper mend these things is to essay and do beatific shows, not be bitter, not be provoked or status or whatever," Leno told Winfrey.

Ratings for the "Tonight Show" slid after O'Brien took over in June 2009, allowing competition king Letterman on CBS to verify a conformable advance in the effort for late-night meshwork conference for the prototypal instance since 1994.

Leno, 59, was enjoying most the aforementioned 5.3 meg cipher conference for "The diplomatist Leno Show" as he had during his 17-year term on "The Tonight Show".

Most TV analysts conceive Leno module effort to intend the aforementioned drawing immediately. But Steve Sternberg, past shrink with Magna Global, said reflection of a oppose from supporters of O'Brien was "gibberish" because he has a assorted follower base.

"Jay Leno's ikon with his fans has not hard at all…While Conan fans haw be justified in their anger, it rattling has no effect on Leno," Sternberg wrote in his journal The Sternberg Report terminal week.

"The cipher norm geezerhood of diplomatist Leno (viewers) on the 'Tonight Show' was 54. This effectuation half of his conference are 55 or senior — mostly an geezerhood assemble that is rattling loyal. There's no think not to wait them to blithely recognize him backwards to his senior instance slot," Sternberg wrote.

(Editing by Bob Tourtellotte and Cynthia Osterman)