Rep. Tom Kean, R-N.J., has offered little explanation for his ongoing absence. His social media posts highlight how Capitol Hill staffers have come to cover for bosses who are MIA.

President Trump threw his support behind Congressman Tom Keane, who hasn't voted in months.

It’s been nearly three months since he last cast a vote on the House floor, but Rep. Thomas H. Kean Jr. has been keeping busy — or at least trying to look like he is. In the New…