Funding for Israel and Ukraine — particularly for Ukraine — has become a contentious topic for Republicans and one that Republican presidential candidates are frequently being asked to address during the primary campaign. Congress is still struggling to pass aid packages for Israel and Ukraine, and this week, the White House budget director warned that without new funding, aid for Ukraine will be depleted before the end of the year. Republican voters have become increasingly skeptical of Ukraine aid, CBS News polling shows, although support for providing military aid to Israel is much stronger than it is for Ukraine. A...