Topic: David Espo
President Obama's approval rating has not slipped in public opinion polls despite a trio of political scandals. But most Americans don't think much of the way the administration has handled the issues, and they believe further investigation is justified.
According to the FBI, a Mississippi man was arrested for sending possibly poisonous letters to President Barack Obama and Senator Roger Wicker. There were other reports of mysterious packages in Senate office buildings and in senators' offices in their home states. Authorities are continuing to investigate the suspicious materials.
"We will find out who did this. We'll find out why they did this," President Obama said in his brief statement after the Boston bombing. "Any responsible individuals, any responsible groups, will feel the full weight of justice."
With less than seven weeks until the election, the race for president is neck and neck. Both President Obama and his rival Republican presidential candidate Mitt Romney spent time in the battleground state of Florida on Thursday.