Nearly half of the victims were from Puerto Rico
Gunman killed 49 people inside gay nightclub on June 12
Festival took place with increased security, police presence
Top Obama adviser praises global response to attack
Suggestions, features, photos and more collected at parenting hub
President, vice president placed flowers at memorial
Calls for end to religion-based bigotry
Investigation underway into complaint filed by passenger
Florida governor among those who greet president at airport
A defiant manager spoke at a fundraiser for his staff