More than half of Americans are worried about President Donald Trump’s ability to handle the situation with North Korea’s nuclear program, according to a new CBS News poll.Fifty-six percent of respondents described themselves as “uneasy” about Mr. Trump’s capabilities, while 39 percent said they were “confident” in his ability. In response to a series of missile launches from North Korea, Mr. Trump has ordered a naval strike group to the Korean sea. He is currently consulting with international leaders, including the Chinese, on how best to handle the deteriorating situation on the Korean peninsula. On the plus side for Mr. Trump, a growing number of Americans say that he is not “too friendly” toward the Russian government. Forty-eight percent now say his approach to Russia is “about right,” and only 35 percent say he is too friendly. In February, that number was 43 percent.