Nearly half of the victims were from Puerto Rico
Amendments fail to meet 60-vote threshold for cloture
Current policy requires abstinence for one year to allow donation
Attorney general plans to meet with families impacted by attacks
Gunman killed 49 people inside gay nightclub on June 12
Festival took place with increased security, police presence
More money to be collected throughout weekend
LGBT symbol had been vandalized over the weekend
Top Obama adviser praises global response to attack
Proposal would require 'increased flexibility' at times for need