By WES ALLISON, Times Staff Writer Published February 28, 2005 WASHINGTON - It was cold and snowy outside the Heritage Foundation, the nation's leading conservative think tank, but the rhetoric inside was collar-tugging hot. The entitlement state has replaced personal responsibility for too many black Americans. So-called civil rights leaders are too quick to blame racism for dysfunction within the black community, rather than an urban culture that often rejects education and glorifies vulgarity. Although it is getting easier, African-Americans are still too timid about speaking out for the right, for fear of being tarred as turncoats and Uncle Toms....