WASHINGTON — William “Mo” Cowan, wearing a Navy suit and blue and white striped bow-tie, turned the corner into the hall adjacent to the Senate chamber, acting as cool as advertised.
“This is a big deal,” the aide walking next to him said.
“Just take a deep breath,” Cowan replied calmly, minutes before being sworn in Thursday by Vice President Joe Biden as the junior US senator from Massachusetts. His interim appointment expires in less than five months, when a special election is held to fill the seat, while most of his colleagues are serving six-year terms. That suits Cowan fine.
Despite entering a body known for egos — with lawmakers putting each vote under the microscope of their political aspirations — Cowan said, “I’m not here to make a mark.”
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