Robert Lyke, a sailor who served in the Vietnam War, lives in East Windsor but sees his doctors at the Veterans Affairs medical center in Newington. It’s not always easy to get there, he said, especially since there aren’t any public bus stops close to his home. Lyke said more East Windsor bus service — as well as cheaper fares — would be “very helpful.” Veterans like himself, Lyke said, can’t take full advantage of the benefits available to th…