The Democratic Party can't afford to write off groups of potential voters. Nevertheless President Obama just wrote off the Cuban vote.
See an Associated Press story at Yahoo News about the almost-history Obama administration killing the long-standing policy of automatic legal residency for Cubans who can reach the U.S.
The tough part of this policy change is the hundreds, perhaps thousands, of Cubans who are in transit somewhere in Central America and Mexico. They left Cuba understanding U.S. policy to be an open door, and it changed while they were enroute.
Democrats have historically gotten fewer votes from Cuban-Americans than from other Hispanic-Americans, but there were reports of growing acceptance by younger Cubans. That trend, if it existed, is now dead. For Republicans, Obama is the gift that keeps on giving.