Article snippet: DENVER (AP) — U.S. Sen. Michael Bennet of Colorado jumped into the packed Democratic presidential primary on Thursday, announcing a 2020 campaign that had been stalled while he was treated for prostate cancer. Bennet, a former head of Denver Public Schools who has carved out a reputation as a policy-oriented moderate, made his announcement on CBS’ ‘‘CBS This Morning,’’ saying the country faces two ‘‘enormous challenges,’’ among others: ‘‘One is the lack of economic mobility and opportunity for most Americans, and the other is the need to restore integrity to our government.’’ ‘‘I think we need to do both of those things,’’ he said. The son of a former ambassador to India and a Yale law school graduate who worked in the Clinton administration, Bennet worked for Republican billionaire Phil Anschutz when he moved to Colorado in the late 1990s. But when he re-entered public life, he did so as a Democrat, serving as chief of staff to then-Denver Mayor John Hickenlooper. Hickenlooper went on to become Colorado governor and now is also competing for the Democratic presidential nomination . The presence of two moderate Coloradans who started their political careers in Denver City Hall reflects how crowded the Democratic presidential field has become. Bennet’s understated style and distaste for the sound bites required in a political campaign have usually led to speculation that he’d seek a Cabinet position rather than try to become the next president. But he began moving... Link to the full article to read more