Democratic Mayor Muriel Bowser had little choice, given the overwhelming voter support for the legalization initiative and the unanimous opinion from her legal team that Congress couldn't block it. [...] the District received more than $670 million in federal funding last year to support its $11 billion budget. The fight over pot illustrates the always-fractious relationship between the city's elected local leaders and Congress, which has the final say over the city's budget and laws. The main difference is that city police will no longer be issuing $25 civil fines for possession. Before legalization took effect, Rep.