Gabbard formally launches campaign for president

Rep. Tulsi Gabbard, D-Hawaii, greets supporters in Honolulu on Nov. 6, 2018. (AP Photo/Marco Garcia, File)

HONOLULU — U.S. Rep. Tulsi Gabbard, a Hawaii Democrat known for bucking the party establishment and for criticizing U.S. foreign policy in the Middle East, formally launched her campaign for president with a video posted online Thursday.