Complex sentence: Next Trump Jr. acknowledged that he went into the meeting expecting to receive opposition research from Veselnitskaya that could hurt Clinton's campaign, and stated that none was presented; instead, the conversation focused on the Magnitsky Act and the adoption of Russian children.
Split into simpler sentences: Next Trump Jr. acknowledged that he went into the meeting expecting to receive opposition research from Veselnitskaya that could hurt Clinton's campaign, and stated that none was presented. Instead, the conversation focused on the Magnitsky Act and the adoption of Russian children.