Cy Vance’s glide path to reelection as Manhattan district attorney has hit a speed bump. Marc Fliedner, a civil-rights lawyer who lost a Democratic primary this fall to become Brooklyn district attorney, has announced a write-in campaign to challenge Vance. “I’m not doing any fundraising, I don’t have any staff, but it is accurate to say that I am a candidate via this grassroots write-in effort,” Fliedner said in a phone interview this morning. “It’s important we give voters an ethical choice in a landscape totally devoid of women’s rights and equal justice." Vance, first elected in 2009, is running...