He told the Globe on Monday that "when that announcement is made, I will seriously consider looking at it," but the poll seems to indicate he is already preparing for a run. 

The survey also tested Markey against some of those prominent Democrats who could challenge him in a special election primary, including Reps. Stephen Lynch and Michael Capuano; UMass Lowell Chancellor Martin Meehan; and Victoria Kennedy, widow of former Sen. Ed Kennedy (D).

The survey questions included ones that seem geared toward testing potential attacks against Brown, including the level of "doubt" a respondent has about a number of positive statements concerning Brown.

The pollster also asked about issues that came up during Brown's hard-fought race against Democrat Elizabeth WarrenElizabeth Ann WarrenCordray's legacy of consumer protection worth defending Booker tries to find the right lane  Jones raised 0K a day after first Moore accusers came forward: report MORE, who went on to defeat him in November. Those include his votes in concert with Republican leadership, his support from Wall Street and his positions on women's issues.