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Parents of students from Marjory Stoneman Douglas High School in Parkland, Florida, have joined forces to create a super PAC with the goal of defeating politicians who have the support and backing of the National Rifle Association.

So much for the slow-moving lava. Magma from Hawaii's Kilauea volcano traveled down Highway 132 overnight in Pahoa, forcing evacuations as emergency responders worry residents could be painted into a corner on the east side of the Big Island.

CNN's Scott McLean reports from the south coast of the Big Island as fissures from Hawaii's Kilauea volcano bubble up and flow into the ocean.

A majority of adults who will be old enough to vote in 2018 say they are planning to, according to a poll released Wednesday conducted by AP-NORC and MTV. When asked to rate their likelihood on a scale of 1-10 (with 10 being "certain to vote"), 56% rated their likelihood at a 6 or above. Thirty-two percent said they were absolutely "certain to vote."

Republican Rep. Diane Black of Tennessee recently cited pornography, along with the deterioration of the family and violent movies, as a contributing factor to gun violence in schools.

The number of homes swallowed by lava flowing from fissures spawned by Hawaii's Kilauea volcano has jumped to 71, authorities said Tuesday.

Politicians and parents of slain students in Parkland, Florida, are expressing outrage about a forthcoming video game in which players can simulate being an active shooter to terrorize a school.

The Trump administration on Tuesday sought to blame Democrats for what it calls a "border crisis," claiming that Democrats were standing in the way of much-needed laws.

An estimated 4,645 people died in Hurricane Maria and its aftermath in Puerto Rico, according to an academic report published Tuesday in a prestigious medical journal. That figure dwarfs Puerto Rico's official death toll of 64, which the article's authors called a "substantial underestimate" of Hurricane Maria's death toll.

CNN's Kate Bennett says first lady Melania Trump is back to work but has yet to make a public appearance since her kidney procedure, sparking questions.