WASHINGTON — As chief executive of the influential conservative think tank Heritage Action for America, Michael Needham waged years of unforgiving political warfare against the Republican Party establishment, deepening the divide between party leaders and grass-roots activists that helped elevate Donald J. Trump to the presidency.
Now Mr. Needham is leaving his job there to become chief of staff for one of the Republican establishment’s favorite sons, Senator Marco Rubio of Florida.
The move is certain to raise questions about whether Mr. Rubio, whose hopes of becoming president in 2016 were dashed by Mr. Trump, may be positioning himself for another run. And it underscores how unsettled the conservative movement remains nearly two years after Mr. Trump won the Republican presidential nomination and became the party’s improbable leader. Continue reading at nytimes.com.