The presumptive GOP nominee talks to auto workers at a General Motors plant in Warren, Ohio. Says finding alternative energy sources is "a national security issue." Watch video above.
Also attacks Obama for suggesting he would appoint Supreme Court Justices that would roll back women's rights.
Comes after McCain tours the plant. Read pool report here.
HALPERIN'S TAKE: What smart Republican strategists think should be on John McCain's to-do list.
