WASHINGTON, Oct. 15 -- Sen. John Hickenlooper, D-Colorado, issued the following news release: Rule change has caused financial challenges for Children's hospitals serving defense communities, limited their ability to provide care Today, U.S. Senators John Hickenlooper and Michael Bennet and U.S. Representatives Doug Lamborn and Jason Crow, along with 16 of their Senate and House colleagues, sent a letter to Secretary of Defense Lloyd Austin urging the Defense Health Agency (DHA) to address the more PR