WASHINGTON -Washington's antidrug trafficking and aid policies face challenges in Bolivia from the incoming leftist government of Evo Morales. When Bolivia's Evo Morales is sworn in as president on Jan. 22, analysts say he's likely to challenge two policies long cherished by the Bush administration -- that U.S. aid must be tied to investment-friendly policies, and that coca crops must be eradicated. A former coca growers' leader, the fiery Morales toured France, Venezuela, Cuba, Spain and China -- all not exactly friendly to the Bush administration -- and in Venezuela vowed to join the ``anti-neoliberal, anti-imperial fight.'' So far, the...