Presidential rivals Barack Obama and John McCain warily addressed the nation's financial crisis and a proposed $700 billion response Tuesday, demanding changes in the Bush administration's plan without specifying exactly what would trigger their outright opposition.
The financial meltdown is bedeviling both candidates, who know the Nov. 4 election could turn on voters' sense of who can best keep the country from a deep recession. They have acted cautiously so far, avoiding the intense debate in Congress and offering similar calls for greater oversight and taxpayer protections, which rank among the less controversial criticisms of the plan.
Neither campaign has …






