“CNN This Morning Weekend” co-anchor Amara Walker is leaving the news network after more than a decade. In a Thursday statement, Walker said she decided to “seize on this moment of change in our industry and take a hiatus from TV news.” “I’m a journalist at heart, but I have other professional passions as well. The timing couldn’t be better to embark on the next chapter,” she added. “I have other professional goals that I haven’t been able to…