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
President, vice president placed flowers at memorial
Florida governor among those who greet president at airport
A defiant manager spoke at a fundraiser for his staff
Mother receives visa from the U.S. to travel to Florida
Parliament House performers died inside Pulse Nightclub
Dominicans, Cubans among those killed at Pulse Nightclub
Pulse Nightclub co-owner, activists, elected officials spoke