By Jonathan Landay KYIV (Reuters) – Sitting cross-legged in a passageway deep within Kyiv’s Zoloti Vorota metro station, 10-year-old Daria Kucher ignored roaring trains and hundreds of other people taking refuge from the threat of Russian missiles, etching a flower on a pad with her colored pencils. “We are afraid. But we are more irritated,” groused her mother, Helena Kucher, 44, as she, her daughter and her seven-year-old son waited for the all-clear advisory automatically dispatched to the Ukrainian capital’s cellphones. The family was among untold numbers of citizens who headed for a secon…