Then-Boston Mayor Martin Walsh speaks during a news conference in Boston on Jan. 9, 2015, promoting the city’s bid to host the 2024 Olympic Summer Games. Walsh led the city over two terms.

Boston Mayor Martin Walsh speaks during a news conference in Boston Friday, Jan. 9, 2015 after Boston was picked by the USOC as its bid city for the 2024 Olympic Summer Games. (AP Photo/Winslow Townson)