MSNBC’s Lawrence O’Donnell looks at some impressive poll numbers for Boston’s mayor and why her declared challenger “might discover the hard way that the voters of Boston are the real Boston patriots.

The Boston City Council president and city clerk are splitting acting mayor duties this week while Mayor Michelle Wu takes a family vacation in Maine.

The poll of 500 Boston voters likely to participate in the Sept. 9 preliminary election showed a wide gulf between Wu and Kraft, who drew 30 percent support to her 60 percent.