DES MOINES, Iowa (AP) - Democrat presidential candidate Barack Obama said Sunday that his religious beliefs influence his plans for how to protect the environment. Speaking before religious leaders and others at what he called an "interfaith forum on climate change," the Illinois senator said God has entrusted humans with the responsibility of caring for the earth, and "we are not acting as good stewards of God's earth when our bottom line puts the size of our profits before the future of our planet." "It is our responsibility to ensure that this planet remains clean and safe and livable for...