A Known Threat To White House Could Be Targeted By Drones On U.S. Soil By Gary Varvel - Fri February 8, 2013 A Known Threat To White House Could Be Targeted By Drones On U.S. Soil A Known Threat To White House Could Be Targeted By Drones On U.S. Soil A Known Threat To White House Could Be Targeted By Drones On U.S. Soil (cartoon), a cartoon by Gary Varvel, licensed to NewsBlaze