- In deference, Senate, mayoral campaigns halt: Political operations, which typically ratchet to a higher intensity in the final two weeks, temporarily shut down following Monday's attack. Bosoton.com political editor Jim O'Sullivan and state house bureau reporter Andrew Ryan cover.
President Obama to travel to Boston for interfaith service on Thursday: Obama will speak at the interfaith service, which is scheduled to take place at the Cathedral of the Holy Cross at 11 a.m. Globe DC bureau reporter Matt Viser elaborates.
- Elizabeth Warren says she's 'never prouder than today' to be from Boston: Warren today visited marathon blast victims and their families at Brigham and Women's Hospital with Boston Mayor Thomas M. Menino. Globe politics reporter Joshua Miller details.
- Stephen Lynch friends with family of eight-year-old who died in Marathon attack: In a press availability, Lynch said he's known the family for years and that Richard's mother had worked with Lynch's wife at a local nursing home. Globe politics reporter Joshua Miller outlines.
- With use of multiple concealed bombs targeting civilians, Boston Marathon attack bears similarities to IED's used in Mideast: The threat from multiple homemade bombs detonated nearly simultaneously to kill or maim as many civilians as possible has been a hallmark of militant groups in recent years from Iraq to Israel and Afghanistan and Russia. Globe DC bureau reporter Bryan Bender explains.