Zwerner spoke in a TV interview that aired on NBC Nightly News.
It will be a little less cold for spring's first night, but many areas still fall below freezing. It will be cloudier but in the 60s on Tuesday.
D.C., Md. & Va. Politics
Maryland Gov. Wes Moore (D) described his first legislative loss with a wide smile and optimism about the rest of his proposals.
The fourth installment in the martial arts action franchise ups the ante, with stunning set pieces of fight choreography.
More D.C., MD. & VA. Coverage