If we follow your logic then no President kept us safe since the inception of the Republic. You are confusing regular crimes with terrorist attacks.
You will find from the archives I was a virulent critic of Bill Clinton from my time on FR until his was out of office, on the issue of broken borders and illegal immigration rampant--and ultimately holding the Chief Executive of our country, the Executive Branch, which an elementary school civics course tell us is to be the executor of the Law--responsible.
For me then, because I am a Republican, to cast a blind eye to Mr. Bush and give him a pass for eight years, holding him to a different standard than what I wrote before, on account of some kind of self-serving, narrow if not corrupt, assinine Republican-First political partisanship on my part, would only make me a hypocrite.
So, I am sorry.
I am not a hypocrite.
I am consistent.
I will vary none whatsoever with this new chap taking office, too. And Americans will continue to die on American soil, unprotected sorry to say.
It is unfathomable that such a national security situation would occur for very long in a country without its people taking action or toppling those subjecting their nation to such a scourge.