The last story written by her to be published in the Post on January 20, 2005, predicted that President George W. Bush would have difficulties having his legislative agenda enacted by Congress.

[1][2] After her work at the national desk, Dewar spent two years (1977–1979) reporting on labor issues before being assigned to cover the United States Senate.

[1][3] Dewar was known for her determination to remain near the senate chamber doorway, even after Congressional leaders attempted to restrict reporters access in the 1990s.

She was credited with perfecting the "Dewar walk," a reference to her wandering near the area, and in the corridors, positioning herself to be the first to question senators as they left the chamber after a vote.

'"[1] The last story written by her to be published in the Post, on January 20, 2005, predicted that President George W. Bush would have difficulties having his legislative agenda enacted by Congress.