As a senator, Obama voted against Justices Roberts and Alito on the basis of their ideology, Republicans say. Why can't we do the same? they ask.
Judge Sotomayor's confirmation hearings could provide the spark on hot-button issues such as gay marriage and abortion.
The 5-to-4 decision, involving a justice on the West Virginia Supreme Court, establishes a broad, new constitutional standard.
Repeal of the policy barring homosexuals from serving openly in the military is now up to the Obama administration and Congress.
Democrats push for July; GOP senators say they need more time to examine her record.