Governor Carlson has sent a letter to Washington, asking the President to grant emergency assistance to flood victims and stricken counties. A Presidential declaration is expected to be rapidly expedited and retroactive to March 21-st. Minnesota Public Radio's Karen-Louise Boothe reports on the very latest details released by officials at the State Capitol: In his request, the Governor says 39 counties in the state need to be declared disaster areas...in need of state and federal emergency assistance funds. The Governor says money is needed for Disaster housing, small