Article snippet: WASHINGTON — Representative Joseph P. Kennedy III is weighing a primary challenge to Senator Edward J. Markey, according to a person close to Kennedy and a Democratic congressional source, a move that would upend Massachusetts politics and trigger a potentially divisive intraparty fight. Kennedy will make a decision about whether to run in the coming weeks, the person close to him said, adding that the four-term congressman began weighing the idea recently after he was approached by people urging him to make the bid. The 38-year-old scion of the nation’s most famous political family paid for a poll in recent weeks testing a matchup against the 73-year-old Markey, according to two Democratic operatives familiar with the poll. The survey found voters favored Kennedy by a small margin, according to several people familiar with the results. Publicly, Kennedy’s team has said he plans to run for another term for the Fourth Congressional District, which stretches from Brookline and Newton south to Fall River. His behind-the-scenes consideration of a high-profile primary challenge, however, is another sign of how the state’s longstanding tradition of respecting incumbents is ending, a demise hastened by the 2018 midterm elections, which showed voters clamoring for fresh faces. Kennedy would hardly be in the mold of insurgent candidates Ayanna Pressley and Alexandria Ocasio-Cortez, who knocked off veteran House Democrats in primary upsets in part by calling for new and y... Link to the full article to read more