Does it matter? We're gonna vote for them anyway, right?With increasing frequency, the ex-president is descending into visible confusion on stage at his pep rallies, most recently in Iowa, where he mistakenly ID'd Sioux City as Sioux Falls, then shared a pointless, absurd anecdote that began with Melania supposedly calling him, "sir," as wives so often do. Let's definitely keep talking about presidential candidates' cognitive decline, though.