(Hillsboro, OR)  --  A 15-year-old boy is facing an attempted-murder charge, after two other teens were stabbed at a home in Hillsboro.  Police say each of the victims was stabbed at least twice yesterday on the doorstep of the suspect's home on Southeast 54th Avenue in Hillsboro.  The 15-year-old has been booked into the Long Detention Facility in Portland.