A scan of Prime Minister Ariel Sharon’s brain showed some improvement Thursday, with the remnants of blood from his massive stroke last week having been absorbed, hospital officials said. As a result, doctors removed a tube they inserted into Sharon’s skull to relieve pressure on his brain, the statement from Hadassah Hospital said. Earlier, Hadassah Hospital said doctors were attaching a new intravenous line into his leg in an effort to prevent infection. Full Story