Donald Trump is losing ground among key groups with about three months until election day.
- Trump, after a week of battling his own party, is back on the attack against Hillary Clinton
- Clinton’s post-convention bounce runs into a familiar wall: emails
- Trump says U.S. might abandon allies attacked by Russia or North Korea
- President Obama says defeating Islamic State is “inevitable”
- Who has the upper hand in the race to 270 electoral votes?
Opinion: Trump’s idea of sacrifice is all about amassing more wealth
(David Horsey/Los Angeles Times )