Occam's razor. Tried and true.
If you believe polls, here's one that came out yesterday regarding the public's views of America's most important problems - Russia didn't even make it to 1% of respondents.
https://news.gallup.com/poll/237389/immigration-surges-top-important-problem-list.aspx?g_source=link_NEWSV9&g_medium=NEWSFEED&g_campaign=item_&g_content=Immigration%2520Surges%2520to%2520Top%2520of%2520Most%2520Important%2520Problem%2520List
Funny how the Democrats being ok with illegals manipulating elections.